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1054115255551 = 31972707129499
BaseRepresentation
bin11110101011011100010…
…10100101010011111111
310201202212002211020110011
433111232022211103333
5114232312001134201
62124130500124051
7136104646556251
oct17255612452377
93652762736404
101054115255551
11377058643396
12150365096627
13785307b2507
143903b52dcd1
151c64754b151
hexf56e2a54ff

1054115255551 has 16 divisors (see below), whose sum is σ = 1099751296000. Its totient is φ = 1009214173440.

The previous prime is 1054115255519. The next prime is 1054115255569. The reversal of 1054115255551 is 1555525114501.

It is a cyclic number.

It is not a de Polignac number, because 1054115255551 - 25 = 1054115255519 is a prime.

It is a super-2 number, since 2×10541152555512 (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 (1054115255581) 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, 8075200 + ... + 8204698.

It is an arithmetic number, because the mean of its divisors is an integer number (68734456000).

Almost surely, 21054115255551 is an apocalyptic number.

1054115255551 is a deficient number, since it is larger than the sum of its proper divisors (45636040449).

1054115255551 is a wasteful number, since it uses less digits than its factorization.

1054115255551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132334.

The product of its (nonzero) digits is 125000, while the sum is 40.

The spelling of 1054115255551 in words is "one trillion, fifty-four billion, one hundred fifteen million, two hundred fifty-five thousand, five hundred fifty-one".

Divisors: 1 31 97 2707 3007 83917 129499 262579 4014469 8139949 12561403 350553793 389403493 10867167583 34003717921 1054115255551