51000615151 has 4 divisors (see below), whose sum is σ = 51012324952. Its totient is φ = 50988905352.

The previous prime is 51000615143. The next prime is 51000615167. The reversal of 51000615151 is 15151600015.

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

It is a cyclic number.

It is not a de Polignac number, because 51000615151 - 2³ = 51000615143 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 (51000615181) 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, 5848365 + ... + 5857078.

It is an arithmetic number, because the mean of its divisors is an integer number (12753081238).

Almost surely, 2^51000615151 is an apocalyptic number.

51000615151 is a deficient number, since it is larger than the sum of its proper divisors (11709801).

51000615151 is a wasteful number, since it uses less digits than its factorization.

51000615151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11709800.

The product of its (nonzero) digits is 750, while the sum is 25.

The spelling of 51000615151 in words is "fifty-one billion, six hundred fifteen thousand, one hundred fifty-one".