101280380457378 has 16 divisors (see below), whose sum is σ = 213221853594720. Its totient is φ = 31983278039136.

The previous prime is 101280380457337. The next prime is 101280380457379. The reversal of 101280380457378 is 873754083082101.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (101280380457379) 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, 444212194875 + ... + 444212195102.

It is an arithmetic number, because the mean of its divisors is an integer number (13326365849670).

Almost surely, 2^{101280380457378} is an apocalyptic number.

101280380457378 is an abundant number, since it is smaller than the sum of its proper divisors (111941473137342).

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

101280380457378 is a wasteful number, since it uses less digits than its factorization.

101280380457378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888424390001.

The product of its (nonzero) digits is 9031680, while the sum is 57.

The spelling of 101280380457378 in words is "one hundred one trillion, two hundred eighty billion, three hundred eighty million, four hundred fifty-seven thousand, three hundred seventy-eight".