10115544231 has 24 divisors (see below), whose sum is σ = 16119086256. Its totient is φ = 6073119360.

The previous prime is 10115544191. The next prime is 10115544239. The reversal of 10115544231 is 13244551101.

10115544231 is a `hidden beast` number, since 1 + 0 + 115 + 544 + 2 + 3 + 1 = 666.

It is not a de Polignac number, because 10115544231 - 2¹⁷ = 10115413159 is a prime.

It is a super-2 number, since 2×10115544231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10115544195 and 10115544204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10115544239) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1049565 + ... + 1059158.

It is an arithmetic number, because the mean of its divisors is an integer number (671628594).

Almost surely, 2^10115544231 is an apocalyptic number.

10115544231 is a deficient number, since it is larger than the sum of its proper divisors (6003542025).

10115544231 is a wasteful number, since it uses less digits than its factorization.

10115544231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108783 (or 2108780 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The spelling of 10115544231 in words is "ten billion, one hundred fifteen million, five hundred forty-four thousand, two hundred thirty-one".