15251230155 has 48 divisors (see below), whose sum is σ = 28409940000. Its totient is φ = 6966102528.

The previous prime is 15251230151. The next prime is 15251230157. The reversal of 15251230155 is 55103215251.

It is not a de Polignac number, because 15251230155 - 2² = 15251230151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15251230151) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 930471 + ... + 946719.

It is an arithmetic number, because the mean of its divisors is an integer number (591873750).

Almost surely, 2^15251230155 is an apocalyptic number.

15251230155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15251230155 is a deficient number, since it is larger than the sum of its proper divisors (13158709845).

15251230155 is a wasteful number, since it uses less digits than its factorization.

15251230155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17548 (or 17541 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 15251230155 in words is "fifteen billion, two hundred fifty-one million, two hundred thirty thousand, one hundred fifty-five".