13631045156 has 12 divisors (see below), whose sum is σ = 24436142220. Its totient is φ = 6649290240.

The previous prime is 13631045137. The next prime is 13631045159. The reversal of 13631045156 is 65154013631.

13631045156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 178756900 + 13452288256 = 13370^2 + 115984^2 .

It is a super-2 number, since 2×13631045156² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13631045159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41557901 + ... + 41558228.

It is an arithmetic number, because the mean of its divisors is an integer number (2036345185).

Almost surely, 2^13631045156 is an apocalyptic number.

It is an amenable number.

13631045156 is a deficient number, since it is larger than the sum of its proper divisors (10805097064).

13631045156 is a wasteful number, since it uses less digits than its factorization.

13631045156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83116174 (or 83116172 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

Adding to 13631045156 its reverse (65154013631), we get a palindrome (78785058787).

The spelling of 13631045156 in words is "thirteen billion, six hundred thirty-one million, forty-five thousand, one hundred fifty-six".