51871044720498 has 32 divisors (see below), whose sum is σ = 105602300014272. Its totient is φ = 16981170782400.

The previous prime is 51871044720457. The next prime is 51871044720511. The reversal of 51871044720498 is 89402744017815.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106962436 + ... + 107446287.

It is an arithmetic number, because the mean of its divisors is an integer number (3300071875446).

Almost surely, 2^{51871044720498} is an apocalyptic number.

51871044720498 is an abundant number, since it is smaller than the sum of its proper divisors (53731255293774).

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

51871044720498 is a wasteful number, since it uses less digits than its factorization.

51871044720498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214409450.

The product of its (nonzero) digits is 18063360, while the sum is 60.

The spelling of 51871044720498 in words is "fifty-one trillion, eight hundred seventy-one billion, forty-four million, seven hundred twenty thousand, four hundred ninety-eight".