1156459685972 has 12 divisors (see below), whose sum is σ = 2024031168180. Its totient is φ = 578165066496.

The previous prime is 1156459685957. The next prime is 1156459685981. The reversal of 1156459685972 is 2795869546511.

It can be written as a sum of positive squares in 2 ways, for example, as 383948772496 + 772510913476 = 619636^2 + 878926^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16153943 + ... + 16225374.

It is an arithmetic number, because the mean of its divisors is an integer number (168669264015).

Almost surely, 2^{1156459685972} is an apocalyptic number.

It is an amenable number.

1156459685972 is a deficient number, since it is larger than the sum of its proper divisors (867571482208).

1156459685972 is a wasteful number, since it uses less digits than its factorization.

1156459685972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32388250 (or 32388248 counting only the distinct ones).

The product of its digits is 163296000, while the sum is 68.

The spelling of 1156459685972 in words is "one trillion, one hundred fifty-six billion, four hundred fifty-nine million, six hundred eighty-five thousand, nine hundred seventy-two".