501478874105 has 24 divisors (see below), whose sum is σ = 671327293056. Its totient is φ = 359268418080.

The previous prime is 501478874087. The next prime is 501478874111.

It is a happy number.

501478874105 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 501478874105 - 2²⁰ = 501477825529 is a prime.

It is a super-2 number, since 2×501478874105² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6145217 + ... + 6226286.

It is an arithmetic number, because the mean of its divisors is an integer number (27971970544).

Almost surely, 2^501478874105 is an apocalyptic number.

501478874105 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

501478874105 is a deficient number, since it is larger than the sum of its proper divisors (169848418951).

501478874105 is a wasteful number, since it uses less digits than its factorization.

501478874105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12371597 (or 12371586 counting only the distinct ones).

The product of its (nonzero) digits is 1254400, while the sum is 50.

The spelling of 501478874105 in words is "five hundred one billion, four hundred seventy-eight million, eight hundred seventy-four thousand, one hundred five".