15981107707260 has 144 divisors (see below), whose sum is σ = 50041920294912. Its totient is φ = 4123979568000.

The previous prime is 15981107707241. The next prime is 15981107707303. The reversal of 15981107707260 is 6270770118951.

It is a junction number, because it is equal to n+sod(n) for n = 15981107707197 and 15981107707206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 173754285 + ... + 173846235.

Almost surely, 2^{15981107707260} is an apocalyptic number.

15981107707260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15981107707260 is an abundant number, since it is smaller than the sum of its proper divisors (34060812587652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15981107707260 is a wasteful number, since it uses less digits than its factorization.

15981107707260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123144 (or 123139 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 54.

The spelling of 15981107707260 in words is "fifteen trillion, nine hundred eighty-one billion, one hundred seven million, seven hundred seven thousand, two hundred sixty".