101885778680268 has 24 divisors (see below), whose sum is σ = 259345618459200. Its totient is φ = 30874478387920.

The previous prime is 101885778680249. The next prime is 101885778680269. The reversal of 101885778680268 is 862086877588101.

It is a self number, because there is not a number n which added to its sum of digits gives 101885778680268.

It is not an unprimeable number, because it can be changed into a prime (101885778680269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385930979718 + ... + 385930979981.

It is an arithmetic number, because the mean of its divisors is an integer number (10806067435800).

Almost surely, 2^{101885778680268} is an apocalyptic number.

It is an amenable number.

101885778680268 is an abundant number, since it is smaller than the sum of its proper divisors (157459839778932).

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

101885778680268 is a wasteful number, since it uses less digits than its factorization.

101885778680268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771861959717 (or 771861959715 counting only the distinct ones).

The product of its (nonzero) digits is 578027520, while the sum is 75.

The spelling of 101885778680268 in words is "one hundred one trillion, eight hundred eighty-five billion, seven hundred seventy-eight million, six hundred eighty thousand, two hundred sixty-eight".