26215150956 has 48 divisors (see below), whose sum is σ = 63842198784. Its totient is φ = 8356620096.

The previous prime is 26215150931. The next prime is 26215150957. The reversal of 26215150956 is 65905151262.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (26215150957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1851255 + ... + 1865361.

It is an arithmetic number, because the mean of its divisors is an integer number (1330045808).

Almost surely, 2^26215150956 is an apocalyptic number.

It is an amenable number.

26215150956 is an abundant number, since it is smaller than the sum of its proper divisors (37627047828).

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

26215150956 is a wasteful number, since it uses less digits than its factorization.

26215150956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20870 (or 20868 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 26215150956 in words is "twenty-six billion, two hundred fifteen million, one hundred fifty thousand, nine hundred fifty-six".