11621624155 has 8 divisors (see below), whose sum is σ = 13998976992. Its totient is φ = 9261947328.

The previous prime is 11621624149. The next prime is 11621624177. The reversal of 11621624155 is 55142612611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11621624155 - 2²⁵ = 11588069723 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11621624155.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4417554 + ... + 4420183.

It is an arithmetic number, because the mean of its divisors is an integer number (1749872124).

Almost surely, 2^11621624155 is an apocalyptic number.

11621624155 is a deficient number, since it is larger than the sum of its proper divisors (2377352837).

11621624155 is an equidigital number, since it uses as much as digits as its factorization.

11621624155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8838005.

The product of its digits is 14400, while the sum is 34.

The spelling of 11621624155 in words is "eleven billion, six hundred twenty-one million, six hundred twenty-four thousand, one hundred fifty-five".