101865727440655 has 8 divisors (see below), whose sum is σ = 122238927127584. Its totient is φ = 81492545820000.

The previous prime is 101865727440649. The next prime is 101865727440707. The reversal of 101865727440655 is 556044727568101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101865727440655 - 2⁷ = 101865727440527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101865727440593 and 101865727440602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19433905 + ... + 24112405.

It is an arithmetic number, because the mean of its divisors is an integer number (15279865890948).

Almost surely, 2^{101865727440655} is an apocalyptic number.

101865727440655 is a deficient number, since it is larger than the sum of its proper divisors (20373199686929).

101865727440655 is an equidigital number, since it uses as much as digits as its factorization.

101865727440655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9033137.

The product of its (nonzero) digits is 56448000, while the sum is 61.

The spelling of 101865727440655 in words is "one hundred one trillion, eight hundred sixty-five billion, seven hundred twenty-seven million, four hundred forty thousand, six hundred fifty-five".