51135853115 has 8 divisors (see below), whose sum is σ = 61560334368. Its totient is φ = 40777142080.

The previous prime is 51135853099. The next prime is 51135853117.

51135853115 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51135853115 - 2⁴ = 51135853099 is a prime.

It is a super-2 number, since 2×51135853115² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51135853117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16440842 + ... + 16443951.

It is an arithmetic number, because the mean of its divisors is an integer number (7695041796).

Almost surely, 2^51135853115 is an apocalyptic number.

51135853115 is a deficient number, since it is larger than the sum of its proper divisors (10424481253).

51135853115 is a wasteful number, since it uses less digits than its factorization.

51135853115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32885109.

The product of its digits is 45000, while the sum is 38.

The spelling of 51135853115 in words is "fifty-one billion, one hundred thirty-five million, eight hundred fifty-three thousand, one hundred fifteen".