501364241955 has 24 divisors (see below), whose sum is σ = 874566596592. Its totient is φ = 265691110464.

The previous prime is 501364241909. The next prime is 501364241957. The reversal of 501364241955 is 559142463105.

It is a happy number.

501364241955 is a `hidden beast` number, since 5 + 0 + 1 + 36 + 424 + 195 + 5 = 666.

It is not a de Polignac number, because 501364241955 - 2²³ = 501355853347 is a prime.

It is a super-2 number, since 2×501364241955² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 501364241955.

It is not an unprimeable number, because it can be changed into a prime (501364241957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35475189 + ... + 35489318.

It is an arithmetic number, because the mean of its divisors is an integer number (36440274858).

Almost surely, 2^501364241955 is an apocalyptic number.

501364241955 is a deficient number, since it is larger than the sum of its proper divisors (373202354637).

501364241955 is a wasteful number, since it uses less digits than its factorization.

501364241955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70964675 (or 70964672 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 501364241955 in words is "five hundred one billion, three hundred sixty-four million, two hundred forty-one thousand, nine hundred fifty-five".