101555500005 has 80 divisors (see below), whose sum is σ = 185074243200. Its totient is φ = 53266308480.

The previous prime is 101555499973. The next prime is 101555500019. The reversal of 101555500005 is 500005555101.

101555500005 is a `hidden beast` number, since 1 + 0 + 155 + 5 + 500 + 0 + 0 + 5 = 666.

It is not a de Polignac number, because 101555500005 - 2⁵ = 101555499973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 12044131 + ... + 12052559.

It is an arithmetic number, because the mean of its divisors is an integer number (2313428040).

Almost surely, 2^101555500005 is an apocalyptic number.

101555500005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101555500005 is a deficient number, since it is larger than the sum of its proper divisors (83518743195).

101555500005 is an equidigital number, since it uses as much as digits as its factorization.

101555500005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8936 (or 8927 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 27.

The spelling of 101555500005 in words is "one hundred one billion, five hundred fifty-five million, five hundred thousand, five".