51143634115 has 64 divisors (see below), whose sum is σ = 72546969600. Its totient is φ = 34594627200.

The previous prime is 51143634109. The next prime is 51143634121.

51143634115 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (51143634109) and next prime (51143634121).

It is not a de Polignac number, because 51143634115 - 2⁵ = 51143634083 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 87126852 + ... + 87127438.

It is an arithmetic number, because the mean of its divisors is an integer number (1133546400).

Almost surely, 2^51143634115 is an apocalyptic number.

51143634115 is a deficient number, since it is larger than the sum of its proper divisors (21403335485).

51143634115 is a wasteful number, since it uses less digits than its factorization.

51143634115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217 (or 1203 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The spelling of 51143634115 in words is "fifty-one billion, one hundred forty-three million, six hundred thirty-four thousand, one hundred fifteen".