501295818372972 has 48 divisors (see below), whose sum is σ = 1336792142982912. Its totient is φ = 143227023750720.

The previous prime is 501295818372959. The next prime is 501295818373027. The reversal of 501295818372972 is 279273818592105.

It is a super-2 number, since 2×501295818372972² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 501295818372897 and 501295818372906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27942238 + ... + 42229850.

It is an arithmetic number, because the mean of its divisors is an integer number (27849836312144).

Almost surely, 2^{501295818372972} is an apocalyptic number.

It is an amenable number.

501295818372972 is an abundant number, since it is smaller than the sum of its proper divisors (835496324609940).

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

501295818372972 is a wasteful number, since it uses less digits than its factorization.

501295818372972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14705318 (or 14705316 counting only the distinct ones).

The product of its (nonzero) digits is 152409600, while the sum is 69.

The spelling of 501295818372972 in words is "five hundred one trillion, two hundred ninety-five billion, eight hundred eighteen million, three hundred seventy-two thousand, nine hundred seventy-two".