50001109986 has 32 divisors (see below), whose sum is σ = 100305174528. Its totient is φ = 16616609360.

The previous prime is 50001109943. The next prime is 50001109993. The reversal of 50001109986 is 68990110005.

It is a super-2 number, since 2×50001109986² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3419551 + ... + 3434141.

It is an arithmetic number, because the mean of its divisors is an integer number (3134536704).

Almost surely, 2^50001109986 is an apocalyptic number.

50001109986 is an abundant number, since it is smaller than the sum of its proper divisors (50304064542).

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

50001109986 is a wasteful number, since it uses less digits than its factorization.

50001109986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16286.

The product of its (nonzero) digits is 19440, while the sum is 39.

The spelling of 50001109986 in words is "fifty billion, one million, one hundred nine thousand, nine hundred eighty-six".