101772425055 has 64 divisors (see below), whose sum is σ = 192010383360. Its totient is φ = 45068714496.

The previous prime is 101772425047. The next prime is 101772425077. The reversal of 101772425055 is 550524277101.

It is not a de Polignac number, because 101772425055 - 2³ = 101772425047 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 323889 + ... + 555381.

It is an arithmetic number, because the mean of its divisors is an integer number (3000162240).

Almost surely, 2^101772425055 is an apocalyptic number.

101772425055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

101772425055 is a deficient number, since it is larger than the sum of its proper divisors (90237958305).

101772425055 is a wasteful number, since it uses less digits than its factorization.

101772425055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231640.

The product of its (nonzero) digits is 98000, while the sum is 39.

The spelling of 101772425055 in words is "one hundred one billion, seven hundred seventy-two million, four hundred twenty-five thousand, fifty-five".