15103320051 has 4 divisors (see below), whose sum is σ = 20137760072. Its totient is φ = 10068880032.

The previous prime is 15103320049. The next prime is 15103320073. The reversal of 15103320051 is 15002330151.

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

It is not a de Polignac number, because 15103320051 - 2¹ = 15103320049 is a prime.

It is a super-2 number, since 2×15103320051² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15103320451) 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, 2517220006 + ... + 2517220011.

It is an arithmetic number, because the mean of its divisors is an integer number (5034440018).

Almost surely, 2^15103320051 is an apocalyptic number.

15103320051 is a deficient number, since it is larger than the sum of its proper divisors (5034440021).

15103320051 is an equidigital number, since it uses as much as digits as its factorization.

15103320051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5034440020.

The product of its (nonzero) digits is 450, while the sum is 21.

The spelling of 15103320051 in words is "fifteen billion, one hundred three million, three hundred twenty thousand, fifty-one".