51101010556000 has 48 divisors (see below), whose sum is σ = 125555182945920. Its totient is φ = 20440404220800.

The previous prime is 51101010555989. The next prime is 51101010556003. The reversal of 51101010556000 is 65501010115.

51101010556000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51101010556000² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51101010556003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6387622320 + ... + 6387630319.

It is an arithmetic number, because the mean of its divisors is an integer number (2615732978040).

Almost surely, 2^{51101010556000} is an apocalyptic number.

51101010556000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51101010556000 is an abundant number, since it is smaller than the sum of its proper divisors (74454172389920).

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

51101010556000 is a wasteful number, since it uses less digits than its factorization.

51101010556000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12775252664 (or 12775252646 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 25.

Adding to 51101010556000 its reverse (65501010115), we get a palindrome (51166511566115).

The spelling of 51101010556000 in words is "fifty-one trillion, one hundred one billion, ten million, five hundred fifty-six thousand".