1156239565008 has 80 divisors (see below), whose sum is σ = 3275553779712. Its totient is φ = 348541168000.

The previous prime is 1156239564989. The next prime is 1156239565057. The reversal of 1156239565008 is 8005659326511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5631738 + ... + 5833433.

Almost surely, 2^{1156239565008} is an apocalyptic number.

It is an amenable number.

1156239565008 is an abundant number, since it is smaller than the sum of its proper divisors (2119314214704).

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

1156239565008 is a wasteful number, since it uses less digits than its factorization.

1156239565008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11465384 (or 11465378 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 51.

The spelling of 1156239565008 in words is "one trillion, one hundred fifty-six billion, two hundred thirty-nine million, five hundred sixty-five thousand, eight".