51015311050 has 96 divisors (see below), whose sum is σ = 111936764160. Its totient is φ = 17088153600.

The previous prime is 51015311029. The next prime is 51015311063. The reversal of 51015311050 is 5011351015.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 381406 + ... + 497494.

It is an arithmetic number, because the mean of its divisors is an integer number (1166007960).

Almost surely, 2^51015311050 is an apocalyptic number.

51015311050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51015311050 is an abundant number, since it is smaller than the sum of its proper divisors (60921453110).

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

51015311050 is a wasteful number, since it uses less digits than its factorization.

51015311050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116176 (or 116171 counting only the distinct ones).

The product of its (nonzero) digits is 375, while the sum is 22.

Adding to 51015311050 its reverse (5011351015), we get a palindrome (56026662065).

The spelling of 51015311050 in words is "fifty-one billion, fifteen million, three hundred eleven thousand, fifty".