51611562130022 has 16 divisors (see below), whose sum is σ = 78511024226592. Its totient is φ = 25441251239040.

The previous prime is 51611562130013. The next prime is 51611562130103. The reversal of 51611562130022 is 22003126511615.

It is a super-2 number, since 2×51611562130022² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4229813 + ... + 11005200.

It is an arithmetic number, because the mean of its divisors is an integer number (4906939014162).

Almost surely, 2^{51611562130022} is an apocalyptic number.

51611562130022 is a deficient number, since it is larger than the sum of its proper divisors (26899462096570).

51611562130022 is a wasteful number, since it uses less digits than its factorization.

51611562130022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15258943.

The product of its (nonzero) digits is 21600, while the sum is 35.

Adding to 51611562130022 its reverse (22003126511615), we get a palindrome (73614688641637).

The spelling of 51611562130022 in words is "fifty-one trillion, six hundred eleven billion, five hundred sixty-two million, one hundred thirty thousand, twenty-two".