15100242155 has 4 divisors (see below), whose sum is σ = 18120290592. Its totient is φ = 12080193720.

The previous prime is 15100242151. The next prime is 15100242167. The reversal of 15100242155 is 55124200151.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 15100242155 - 2² = 15100242151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15100242151) 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, 1510024211 + ... + 1510024220.

It is an arithmetic number, because the mean of its divisors is an integer number (4530072648).

Almost surely, 2^15100242155 is an apocalyptic number.

15100242155 is a deficient number, since it is larger than the sum of its proper divisors (3020048437).

15100242155 is an equidigital number, since it uses as much as digits as its factorization.

15100242155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3020048436.

The product of its (nonzero) digits is 2000, while the sum is 26.

The spelling of 15100242155 in words is "fifteen billion, one hundred million, two hundred forty-two thousand, one hundred fifty-five".