131023625563605 has 16 divisors (see below), whose sum is σ = 209638711744704. Its totient is φ = 69878963352960.

The previous prime is 131023625563543. The next prime is 131023625563681. The reversal of 131023625563605 is 506365526320131.

It is not a de Polignac number, because 131023625563605 - 2⁸ = 131023625563349 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15386544 + ... + 22333673.

It is an arithmetic number, because the mean of its divisors is an integer number (13102419484044).

Almost surely, 2^{131023625563605} is an apocalyptic number.

131023625563605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131023625563605 is a deficient number, since it is larger than the sum of its proper divisors (78615086181099).

131023625563605 is a wasteful number, since it uses less digits than its factorization.

131023625563605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37951796.

The product of its (nonzero) digits is 2916000, while the sum is 48.

The spelling of 131023625563605 in words is "one hundred thirty-one trillion, twenty-three billion, six hundred twenty-five million, five hundred sixty-three thousand, six hundred five".