51231571202 has 8 divisors (see below), whose sum is σ = 87825550656. Its totient is φ = 21956387652.

The previous prime is 51231571169. The next prime is 51231571211. The reversal of 51231571202 is 20217513215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1829698958 + ... + 1829698985.

It is an arithmetic number, because the mean of its divisors is an integer number (10978193832).

Almost surely, 2^51231571202 is an apocalyptic number.

51231571202 is a deficient number, since it is larger than the sum of its proper divisors (36593979454).

51231571202 is a wasteful number, since it uses less digits than its factorization.

51231571202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3659397952.

The product of its (nonzero) digits is 4200, while the sum is 29.

The spelling of 51231571202 in words is "fifty-one billion, two hundred thirty-one million, five hundred seventy-one thousand, two hundred two".