51150661496 has 64 divisors (see below), whose sum is σ = 105188751360. Its totient is φ = 23125600000.

The previous prime is 51150661459. The next prime is 51150661511. The reversal of 51150661496 is 69416605115.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24229481 + ... + 24231591.

It is an arithmetic number, because the mean of its divisors is an integer number (1643574240).

Almost surely, 2^51150661496 is an apocalyptic number.

It is an amenable number.

51150661496 is an abundant number, since it is smaller than the sum of its proper divisors (54038089864).

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

51150661496 is a wasteful number, since it uses less digits than its factorization.

51150661496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3476 (or 3472 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 51150661496 in words is "fifty-one billion, one hundred fifty million, six hundred sixty-one thousand, four hundred ninety-six".