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1055231112151 = 61307498711299
BaseRepresentation
bin11110101101100001010…
…11001111001111010111
310201212201212111121221101
433112300223033033113
5114242103131042101
62124433320530531
7136144416313426
oct17266053171727
93655655447841
101055231112151
113775804a8a27
12150616920a47
137867aa256a8
14391057d92bd
151c6b04b5401
hexf5b0acf3d7

1055231112151 has 16 divisors (see below), whose sum is σ = 1076334582400. Its totient is φ = 1034252362080.

The previous prime is 1055231112109. The next prime is 1055231112163. The reversal of 1055231112151 is 1512111325501.

It is a cyclic number.

It is not a de Polignac number, because 1055231112151 - 219 = 1055230587863 is a prime.

It is a super-2 number, since 2×10552311121512 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055231112451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93385900 + ... + 93397198.

It is an arithmetic number, because the mean of its divisors is an integer number (67270911400).

Almost surely, 21055231112151 is an apocalyptic number.

1055231112151 is a deficient number, since it is larger than the sum of its proper divisors (21103470249).

1055231112151 is a wasteful number, since it uses less digits than its factorization.

1055231112151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16654.

The product of its (nonzero) digits is 1500, while the sum is 28.

Adding to 1055231112151 its reverse (1512111325501), we get a palindrome (2567342437652).

The spelling of 1055231112151 in words is "one trillion, fifty-five billion, two hundred thirty-one million, one hundred twelve thousand, one hundred fifty-one".

Divisors: 1 61 307 4987 11299 18727 304207 689239 1531009 3468793 56348113 93391549 211596373 3437234893 17298870691 1055231112151