51135715411 has 16 divisors (see below), whose sum is σ = 57997957248. Its totient is φ = 44676244800.

The previous prime is 51135715409. The next prime is 51135715427. The reversal of 51135715411 is 11451753115.

It is not a de Polignac number, because 51135715411 - 2¹ = 51135715409 is a prime.

It is a super-2 number, since 2×51135715411² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51135715441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 815925 + ... + 876358.

It is an arithmetic number, because the mean of its divisors is an integer number (3624872328).

Almost surely, 2^51135715411 is an apocalyptic number.

51135715411 is a deficient number, since it is larger than the sum of its proper divisors (6862241837).

51135715411 is a wasteful number, since it uses less digits than its factorization.

51135715411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692402.

The product of its digits is 10500, while the sum is 34.

The spelling of 51135715411 in words is "fifty-one billion, one hundred thirty-five million, seven hundred fifteen thousand, four hundred eleven".