11612155651117 has 4 divisors (see below), whose sum is σ = 13271035029856. Its totient is φ = 9953276272380.

The previous prime is 11612155651073. The next prime is 11612155651121. The reversal of 11612155651117 is 71115655121611.

11612155651117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-11612155651117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11612155651127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 829439689359 + ... + 829439689372.

It is an arithmetic number, because the mean of its divisors is an integer number (3317758757464).

Almost surely, 2^{11612155651117} is an apocalyptic number.

It is an amenable number.

11612155651117 is a deficient number, since it is larger than the sum of its proper divisors (1658879378739).

11612155651117 is an equidigital number, since it uses as much as digits as its factorization.

11612155651117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658879378738.

The product of its digits is 63000, while the sum is 43.

The spelling of 11612155651117 in words is "eleven trillion, six hundred twelve billion, one hundred fifty-five million, six hundred fifty-one thousand, one hundred seventeen".