1183979264136 has 32 divisors (see below), whose sum is σ = 2988685527360. Its totient is φ = 390828105792.

The previous prime is 1183979264099. The next prime is 1183979264197. The reversal of 1183979264136 is 6314629793811.

It is a self number, because there is not a number n which added to its sum of digits gives 1183979264136.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239475535 + ... + 239480478.

It is an arithmetic number, because the mean of its divisors is an integer number (93396422730).

Almost surely, 2^{1183979264136} is an apocalyptic number.

It is an amenable number.

1183979264136 is an abundant number, since it is smaller than the sum of its proper divisors (1804706263224).

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

1183979264136 is a wasteful number, since it uses less digits than its factorization.

1183979264136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478956125 (or 478956121 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 60.

The spelling of 1183979264136 in words is "one trillion, one hundred eighty-three billion, nine hundred seventy-nine million, two hundred sixty-four thousand, one hundred thirty-six".