13121507151 has 12 divisors (see below), whose sum is σ = 19009533712. Its totient is φ = 8721711936.

The previous prime is 13121507117. The next prime is 13121507159. The reversal of 13121507151 is 15170512131.

13121507151 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 1 + 507 + 151 = 666.

It is not a de Polignac number, because 13121507151 - 2⁹ = 13121506639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121507159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2160091 + ... + 2166156.

Almost surely, 2^13121507151 is an apocalyptic number.

13121507151 is a deficient number, since it is larger than the sum of its proper divisors (5888026561).

13121507151 is a wasteful number, since it uses less digits than its factorization.

13121507151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4326590 (or 4326587 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 27.

The spelling of 13121507151 in words is "thirteen billion, one hundred twenty-one million, five hundred seven thousand, one hundred fifty-one".