15051872051 has 4 divisors (see below), whose sum is σ = 15052225512. Its totient is φ = 15051518592.

The previous prime is 15051872039. The next prime is 15051872057. The reversal of 15051872051 is 15027815051.

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

It is a cyclic number.

It is not a de Polignac number, because 15051872051 - 2¹⁴ = 15051855667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15051872057) 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, 102446 + ... + 201491.

It is an arithmetic number, because the mean of its divisors is an integer number (3763056378).

Almost surely, 2^15051872051 is an apocalyptic number.

15051872051 is a deficient number, since it is larger than the sum of its proper divisors (353461).

15051872051 is an equidigital number, since it uses as much as digits as its factorization.

15051872051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353460.

The product of its (nonzero) digits is 14000, while the sum is 35.

The spelling of 15051872051 in words is "fifteen billion, fifty-one million, eight hundred seventy-two thousand, fifty-one".