1156622461564 has 12 divisors (see below), whose sum is σ = 2024792380800. Its totient is φ = 578110352768.

The previous prime is 1156622461541. The next prime is 1156622461601. The reversal of 1156622461564 is 4651642266511.

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, 50206549 + ... + 50229580.

It is an arithmetic number, because the mean of its divisors is an integer number (168732698400).

Almost surely, 2^{1156622461564} is an apocalyptic number.

It is an amenable number.

1156622461564 is a deficient number, since it is larger than the sum of its proper divisors (868169919236).

1156622461564 is a wasteful number, since it uses less digits than its factorization.

1156622461564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100439012 (or 100439010 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 49.

The spelling of 1156622461564 in words is "one trillion, one hundred fifty-six billion, six hundred twenty-two million, four hundred sixty-one thousand, five hundred sixty-four".