11612156636 has 12 divisors (see below), whose sum is σ = 20331138912. Its totient is φ = 5803259808.

The previous prime is 11612156599. The next prime is 11612156693. The reversal of 11612156636 is 63665121611.

11612156636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 11612156636.

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, 695345 + ... + 711848.

It is an arithmetic number, because the mean of its divisors is an integer number (1694261576).

Almost surely, 2^11612156636 is an apocalyptic number.

It is an amenable number.

11612156636 is a deficient number, since it is larger than the sum of its proper divisors (8718982276).

11612156636 is a wasteful number, since it uses less digits than its factorization.

11612156636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409260 (or 1409258 counting only the distinct ones).

The product of its digits is 38880, while the sum is 38.

The spelling of 11612156636 in words is "eleven billion, six hundred twelve million, one hundred fifty-six thousand, six hundred thirty-six".