51116530300 has 72 divisors (see below), whose sum is σ = 127375597440. Its totient is φ = 17609515200.

The previous prime is 51116530177. The next prime is 51116530303. The reversal of 51116530300 is 303561115.

It is a super-2 number, since 2×51116530300² (a number of 22 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 (51116530303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1201984 + ... + 1243783.

It is an arithmetic number, because the mean of its divisors is an integer number (1769105520).

Almost surely, 2^51116530300 is an apocalyptic number.

51116530300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51116530300 is an abundant number, since it is smaller than the sum of its proper divisors (76259067140).

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

51116530300 is a wasteful number, since it uses less digits than its factorization.

51116530300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445811 (or 2445804 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 25.

The spelling of 51116530300 in words is "fifty-one billion, one hundred sixteen million, five hundred thirty thousand, three hundred".