51512242411 has 16 divisors (see below), whose sum is σ = 59712145920. Its totient is φ = 43522839360.

The previous prime is 51512242387. The next prime is 51512242417. The reversal of 51512242411 is 11424221515.

It is not a de Polignac number, because 51512242411 - 2²⁵ = 51478687979 is a prime.

It is a super-2 number, since 2×51512242411² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51512242411.

It is not an unprimeable number, because it can be changed into a prime (51512242417) 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, 4401055 + ... + 4412743.

It is an arithmetic number, because the mean of its divisors is an integer number (3732009120).

Almost surely, 2^51512242411 is an apocalyptic number.

51512242411 is a deficient number, since it is larger than the sum of its proper divisors (8199903509).

51512242411 is a wasteful number, since it uses less digits than its factorization.

51512242411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20634.

The product of its digits is 3200, while the sum is 28.

Adding to 51512242411 its reverse (11424221515), we get a palindrome (62936463926).

The spelling of 51512242411 in words is "fifty-one billion, five hundred twelve million, two hundred forty-two thousand, four hundred eleven".