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11140041131 = 14387774313
BaseRepresentation
bin10100101111111111…
…11000100110101011
31001202100221201112222
422113333320212223
5140303322304011
65041225424255
7543026534012
oct122777704653
931670851488
1011140041131
1147a729886a
1221aa93b08b
131086c4a61b
14779725a79
15453002ddb
hex297ff89ab

11140041131 has 4 divisors (see below), whose sum is σ = 11140829832. Its totient is φ = 11139252432.

The previous prime is 11140041109. The next prime is 11140041287. The reversal of 11140041131 is 13114004111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13114004111 = 131008769547.

It is a cyclic number.

It is not a de Polignac number, because 11140041131 - 218 = 11139778987 is a prime.

It is a super-2 number, since 2×111400411312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11140041431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372770 + ... + 401543.

It is an arithmetic number, because the mean of its divisors is an integer number (2785207458).

Almost surely, 211140041131 is an apocalyptic number.

11140041131 is a deficient number, since it is larger than the sum of its proper divisors (788701).

11140041131 is an equidigital number, since it uses as much as digits as its factorization.

11140041131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788700.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11140041131 its reverse (13114004111), we get a palindrome (24254045242).

The spelling of 11140041131 in words is "eleven billion, one hundred forty million, forty-one thousand, one hundred thirty-one".

Divisors: 1 14387 774313 11140041131