11526116631 has 24 divisors (see below), whose sum is σ = 15675298800. Its totient is φ = 7533437184.

The previous prime is 11526116629. The next prime is 11526116639. The reversal of 11526116631 is 13661162511.

It is not a de Polignac number, because 11526116631 - 2¹ = 11526116629 is a prime.

It is a super-2 number, since 2×11526116631² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11526116592 and 11526116601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11526116639) 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, 4520545 + ... + 4523093.

It is an arithmetic number, because the mean of its divisors is an integer number (653137450).

Almost surely, 2^11526116631 is an apocalyptic number.

11526116631 is a deficient number, since it is larger than the sum of its proper divisors (4149182169).

11526116631 is an equidigital number, since it uses as much as digits as its factorization.

11526116631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3103 (or 3044 counting only the distinct ones).

The product of its digits is 6480, while the sum is 33.

The spelling of 11526116631 in words is "eleven billion, five hundred twenty-six million, one hundred sixteen thousand, six hundred thirty-one".