11951256882 has 16 divisors (see below), whose sum is σ = 23903684352. Its totient is φ = 3983557200.

The previous prime is 11951256881. The next prime is 11951256883. The reversal of 11951256882 is 28865215911.

It is an interprime number because it is at equal distance from previous prime (11951256881) and next prime (11951256883).

It is not an unprimeable number, because it can be changed into a prime (11951256881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140383 + ... + 208829.

It is an arithmetic number, because the mean of its divisors is an integer number (1493980272).

Almost surely, 2^11951256882 is an apocalyptic number.

11951256882 is an abundant number, since it is smaller than the sum of its proper divisors (11952427470).

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

11951256882 is a wasteful number, since it uses less digits than its factorization.

11951256882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97553.

The product of its digits is 345600, while the sum is 48.

The spelling of 11951256882 in words is "eleven billion, nine hundred fifty-one million, two hundred fifty-six thousand, eight hundred eighty-two".