5156121117 has 32 divisors (see below), whose sum is σ = 8243988480. Its totient is φ = 2802634560.

The previous prime is 5156121109. The next prime is 5156121127. The reversal of 5156121117 is 7111216515.

It is not a de Polignac number, because 5156121117 - 2³ = 5156121109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5156121127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57934 + ... + 116912.

It is an arithmetic number, because the mean of its divisors is an integer number (257624640).

Almost surely, 2^5156121117 is an apocalyptic number.

It is an amenable number.

5156121117 is a deficient number, since it is larger than the sum of its proper divisors (3087867363).

5156121117 is a wasteful number, since it uses less digits than its factorization.

5156121117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59193.

The product of its digits is 2100, while the sum is 30.

The square root of 5156121117 is about 71806.1356500961. The cubic root of 5156121117 is about 1727.5914132644.

The spelling of 5156121117 in words is "five billion, one hundred fifty-six million, one hundred twenty-one thousand, one hundred seventeen".