51110168854540 has 24 divisors (see below), whose sum is σ = 110793656356992. Its totient is φ = 19784581491840.

The previous prime is 51110168854523. The next prime is 51110168854541. The reversal of 51110168854540 is 4545886101115.

It is a super-2 number, since 2×51110168854540² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51110168854541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41217877489 + ... + 41217878728.

It is an arithmetic number, because the mean of its divisors is an integer number (4616402348208).

Almost surely, 2^{51110168854540} is an apocalyptic number.

It is an amenable number.

51110168854540 is an abundant number, since it is smaller than the sum of its proper divisors (59683487502452).

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

51110168854540 is a wasteful number, since it uses less digits than its factorization.

51110168854540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82435756257 (or 82435756255 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 49.

The spelling of 51110168854540 in words is "fifty-one trillion, one hundred ten billion, one hundred sixty-eight million, eight hundred fifty-four thousand, five hundred forty".