51431147148 has 48 divisors (see below), whose sum is σ = 123272720480. Its totient is φ = 16677218304.

The previous prime is 51431147107. The next prime is 51431147171. The reversal of 51431147148 is 84174113415.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3957990 + ... + 3970962.

Almost surely, 2^51431147148 is an apocalyptic number.

It is an amenable number.

51431147148 is an abundant number, since it is smaller than the sum of its proper divisors (71841573332).

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

51431147148 is a wasteful number, since it uses less digits than its factorization.

51431147148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21946 (or 21944 counting only the distinct ones).

The product of its digits is 53760, while the sum is 39.

The spelling of 51431147148 in words is "fifty-one billion, four hundred thirty-one million, one hundred forty-seven thousand, one hundred forty-eight".