15015051051 has 48 divisors (see below), whose sum is σ = 27083788032. Its totient is φ = 7200008640.

The previous prime is 15015051047. The next prime is 15015051091.

15015051051 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 15015051051 - 2² = 15015051047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15015051031) 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, 194241 + ... + 260306.

It is an arithmetic number, because the mean of its divisors is an integer number (564245584).

Almost surely, 2^15015051051 is an apocalyptic number.

15015051051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

15015051051 is a deficient number, since it is larger than the sum of its proper divisors (12068736981).

15015051051 is a wasteful number, since it uses less digits than its factorization.

15015051051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454592 (or 454581 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 24.

The spelling of 15015051051 in words is "fifteen billion, fifteen million, fifty-one thousand, fifty-one".