11958668826 has 24 divisors (see below), whose sum is σ = 25898657760. Its totient is φ = 3679590096.

The previous prime is 11958668807. The next prime is 11958668857. The reversal of 11958668826 is 62886685911.

It is a self number, because there is not a number n which added to its sum of digits gives 11958668826.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5895766 + ... + 5897793.

It is an arithmetic number, because the mean of its divisors is an integer number (1079110740).

Almost surely, 2^11958668826 is an apocalyptic number.

11958668826 is an abundant number, since it is smaller than the sum of its proper divisors (13939988934).

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

11958668826 is a wasteful number, since it uses less digits than its factorization.

11958668826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11793590 (or 11793577 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 60.

The spelling of 11958668826 in words is "eleven billion, nine hundred fifty-eight million, six hundred sixty-eight thousand, eight hundred twenty-six".