113544631687 has 2 divisors, whose sum is σ = 113544631688. Its totient is φ = 113544631686.

The previous prime is 113544631679. The next prime is 113544631727. The reversal of 113544631687 is 786136445311.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113544631687 - 2³ = 113544631679 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113544631687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113544631657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56772315843 + 56772315844.

It is an arithmetic number, because the mean of its divisors is an integer number (56772315844).

Almost surely, 2^113544631687 is an apocalyptic number.

113544631687 is a deficient number, since it is larger than the sum of its proper divisors (1).

113544631687 is an equidigital number, since it uses as much as digits as its factorization.

113544631687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 49.

The spelling of 113544631687 in words is "one hundred thirteen billion, five hundred forty-four million, six hundred thirty-one thousand, six hundred eighty-seven".