51101116524 has 18 divisors (see below), whose sum is σ = 129172266860. Its totient is φ = 17033705496.

The previous prime is 51101116519. The next prime is 51101116559. The reversal of 51101116524 is 42561110115.

51101116524 is a `hidden beast` number, since 5 + 1 + 1 + 0 + 1 + 1 + 1 + 652 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×51101116524² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 709737694 + ... + 709737765.

Almost surely, 2^51101116524 is an apocalyptic number.

It is an amenable number.

51101116524 is an abundant number, since it is smaller than the sum of its proper divisors (78071150336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51101116524 is a wasteful number, since it uses less digits than its factorization.

51101116524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419475469 (or 1419475464 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

Adding to 51101116524 its reverse (42561110115), we get a palindrome (93662226639).

The spelling of 51101116524 in words is "fifty-one billion, one hundred one million, one hundred sixteen thousand, five hundred twenty-four".