51115453025000 has 192 divisors, whose sum is σ = 147438992050560. Its totient is φ = 16177197600000.

The previous prime is 51115453024973. The next prime is 51115453025027. The reversal of 51115453025000 is 52035451115.

It is an interprime number because it is at equal distance from previous prime (51115453024973) and next prime (51115453025027).

It is a super-2 number, since 2×51115453025000² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8959166 + ... + 13509165.

It is an arithmetic number, because the mean of its divisors is an integer number (767911416930).

Almost surely, 2^{51115453025000} is an apocalyptic number.

51115453025000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51115453025000 is an abundant number, since it is smaller than the sum of its proper divisors (96323539025560).

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

51115453025000 is a wasteful number, since it uses less digits than its factorization.

51115453025000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22468382 (or 22468358 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

Adding to 51115453025000 its reverse (52035451115), we get a palindrome (51167488476115).

The spelling of 51115453025000 in words is "fifty-one trillion, one hundred fifteen billion, four hundred fifty-three million, twenty-five thousand".