51154735551400 has 96 divisors (see below), whose sum is σ = 128085553562400. Its totient is φ = 18887612486400.

The previous prime is 51154735551341. The next prime is 51154735551421. The reversal of 51154735551400 is 415553745115.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 247237191 + ... + 247444009.

It is an arithmetic number, because the mean of its divisors is an integer number (1334224516275).

Almost surely, 2^{51154735551400} is an apocalyptic number.

51154735551400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51154735551400 is an abundant number, since it is smaller than the sum of its proper divisors (76930818011000).

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

51154735551400 is a wasteful number, since it uses less digits than its factorization.

51154735551400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301979 (or 301970 counting only the distinct ones).

The product of its (nonzero) digits is 1050000, while the sum is 46.

The spelling of 51154735551400 in words is "fifty-one trillion, one hundred fifty-four billion, seven hundred thirty-five million, five hundred fifty-one thousand, four hundred".