501136456856686 has 32 divisors (see below), whose sum is σ = 859341275857152. Its totient is φ = 214710218424960.

The previous prime is 501136456856671. The next prime is 501136456856687. The reversal of 501136456856686 is 686658654631105.

It is a super-2 number, since 2×501136456856686² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501136456856687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2615070405 + ... + 2615262031.

It is an arithmetic number, because the mean of its divisors is an integer number (26854414870536).

Almost surely, 2^{501136456856686} is an apocalyptic number.

501136456856686 is a deficient number, since it is larger than the sum of its proper divisors (358204819000466).

501136456856686 is a wasteful number, since it uses less digits than its factorization.

501136456856686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245064.

The product of its (nonzero) digits is 746496000, while the sum is 70.

The spelling of 501136456856686 in words is "five hundred one trillion, one hundred thirty-six billion, four hundred fifty-six million, eight hundred fifty-six thousand, six hundred eighty-six".