51631045419975 has 96 divisors (see below), whose sum is σ = 98568088381440. Its totient is φ = 23359659120000.

The previous prime is 51631045419937. The next prime is 51631045419977. The reversal of 51631045419975 is 57991454013615.

It is not a de Polignac number, because 51631045419975 - 2⁹ = 51631045419463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51631045419977) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 18526800 + ... + 21130650.

It is an arithmetic number, because the mean of its divisors is an integer number (1026750920640).

Almost surely, 2^{51631045419975} is an apocalyptic number.

51631045419975 is a deficient number, since it is larger than the sum of its proper divisors (46937042961465).

51631045419975 is a wasteful number, since it uses less digits than its factorization.

51631045419975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2604261 (or 2604256 counting only the distinct ones).

The product of its (nonzero) digits is 20412000, while the sum is 60.

The spelling of 51631045419975 in words is "fifty-one trillion, six hundred thirty-one billion, forty-five million, four hundred nineteen thousand, nine hundred seventy-five".