26156415567720 has 64 divisors (see below), whose sum is σ = 78491222015040. Its totient is φ = 6973090790400.

The previous prime is 26156415567679. The next prime is 26156415567743. The reversal of 26156415567720 is 2776551465162.

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, 30090961 + ... + 30948000.

It is an arithmetic number, because the mean of its divisors is an integer number (1226425343985).

Almost surely, 2^{26156415567720} is an apocalyptic number.

26156415567720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26156415567720 is an abundant number, since it is smaller than the sum of its proper divisors (52334806447320).

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

26156415567720 is a wasteful number, since it uses less digits than its factorization.

26156415567720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61042546 (or 61042542 counting only the distinct ones).

The product of its (nonzero) digits is 21168000, while the sum is 57.

The spelling of 26156415567720 in words is "twenty-six trillion, one hundred fifty-six billion, four hundred fifteen million, five hundred sixty-seven thousand, seven hundred twenty".