15121151154 has 48 divisors (see below), whose sum is σ = 33718493952. Its totient is φ = 4894664544.

The previous prime is 15121151147. The next prime is 15121151191. The reversal of 15121151154 is 45115112151.

15121151154 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77439 + ... + 190365.

It is an arithmetic number, because the mean of its divisors is an integer number (702468624).

Almost surely, 2^15121151154 is an apocalyptic number.

15121151154 is an abundant number, since it is smaller than the sum of its proper divisors (18597342798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15121151154 is a wasteful number, since it uses less digits than its factorization.

15121151154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113151 (or 113148 counting only the distinct ones).

The product of its digits is 1000, while the sum is 27.

The spelling of 15121151154 in words is "fifteen billion, one hundred twenty-one million, one hundred fifty-one thousand, one hundred fifty-four".