15323122051 has 16 divisors (see below), whose sum is σ = 15974431200. Its totient is φ = 14680465408.

The previous prime is 15323122049. The next prime is 15323122081. The reversal of 15323122051 is 15022132351.

It is a cyclic number.

It is not a de Polignac number, because 15323122051 - 2¹ = 15323122049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15323122081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2001036 + ... + 2008678.

It is an arithmetic number, because the mean of its divisors is an integer number (998401950).

Almost surely, 2^15323122051 is an apocalyptic number.

15323122051 is a deficient number, since it is larger than the sum of its proper divisors (651309149).

15323122051 is a wasteful number, since it uses less digits than its factorization.

15323122051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8198.

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 15323122051 in words is "fifteen billion, three hundred twenty-three million, one hundred twenty-two thousand, fifty-one".