15120233154 has 48 divisors (see below), whose sum is σ = 35946244152. Its totient is φ = 4564594944.

The previous prime is 15120233153. The next prime is 15120233159. The reversal of 15120233154 is 45133202151.

It can be written as a sum of positive squares in 4 ways, for example, as 14975151129 + 145082025 = 122373^2 + 12045^2 .

It is not an unprimeable number, because it can be changed into a prime (15120233153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 597187 + ... + 621990.

Almost surely, 2^15120233154 is an apocalyptic number.

15120233154 is an abundant number, since it is smaller than the sum of its proper divisors (20826010998).

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

15120233154 is a wasteful number, since it uses less digits than its factorization.

15120233154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219251 (or 1219248 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 15120233154 in words is "fifteen billion, one hundred twenty million, two hundred thirty-three thousand, one hundred fifty-four".