51101136422 has 32 divisors (see below), whose sum is σ = 88218008064. Its totient is φ = 21746592000.

The previous prime is 51101136407. The next prime is 51101136461. The reversal of 51101136422 is 22463110115.

It is a super-2 number, since 2×51101136422² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51101136391 and 51101136400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9914198 + ... + 9919350.

It is an arithmetic number, because the mean of its divisors is an integer number (2756812752).

Almost surely, 2^51101136422 is an apocalyptic number.

51101136422 is a deficient number, since it is larger than the sum of its proper divisors (37116871642).

51101136422 is a wasteful number, since it uses less digits than its factorization.

51101136422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10004.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 51101136422 its reverse (22463110115), we get a palindrome (73564246537).

The spelling of 51101136422 in words is "fifty-one billion, one hundred one million, one hundred thirty-six thousand, four hundred twenty-two".