1156212313139 has 32 divisors (see below), whose sum is σ = 1287095261760. Its totient is φ = 1031969323008.

The previous prime is 1156212313127. The next prime is 1156212313159. The reversal of 1156212313139 is 9313132126511.

It is not a de Polignac number, because 1156212313139 - 2²⁴ = 1156195535923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1156212313159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23364767 + ... + 23414199.

It is an arithmetic number, because the mean of its divisors is an integer number (40221726930).

Almost surely, 2^{1156212313139} is an apocalyptic number.

1156212313139 is a deficient number, since it is larger than the sum of its proper divisors (130882948621).

1156212313139 is a wasteful number, since it uses less digits than its factorization.

1156212313139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49991.

The product of its digits is 29160, while the sum is 38.

The spelling of 1156212313139 in words is "one trillion, one hundred fifty-six billion, two hundred twelve million, three hundred thirteen thousand, one hundred thirty-nine".