13120050051 has 48 divisors (see below), whose sum is σ = 20352384000. Its totient is φ = 8126112960.

The previous prime is 13120050043. The next prime is 13120050089. The reversal of 13120050051 is 15005002131.

It is not a de Polignac number, because 13120050051 - 2³ = 13120050043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13120050091) 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, 1443760 + ... + 1452818.

It is an arithmetic number, because the mean of its divisors is an integer number (424008000).

Almost surely, 2^13120050051 is an apocalyptic number.

13120050051 is a deficient number, since it is larger than the sum of its proper divisors (7232333949).

13120050051 is a wasteful number, since it uses less digits than its factorization.

13120050051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9304 (or 9301 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

Adding to 13120050051 its reverse (15005002131), we get a palindrome (28125052182).

The spelling of 13120050051 in words is "thirteen billion, one hundred twenty million, fifty thousand, fifty-one".