381110278863 has 16 divisors (see below), whose sum is σ = 520430109056. Its totient is φ = 247942568160.

The previous prime is 381110278811. The next prime is 381110278877. The reversal of 381110278863 is 368872011183.

It is a happy number.

It is not a de Polignac number, because 381110278863 - 2⁸ = 381110278607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381110278063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1178353 + ... + 1466538.

It is an arithmetic number, because the mean of its divisors is an integer number (32526881816).

Almost surely, 2^381110278863 is an apocalyptic number.

381110278863 is a deficient number, since it is larger than the sum of its proper divisors (139319830193).

381110278863 is a wasteful number, since it uses less digits than its factorization.

381110278863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2646054.

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 381110278863 in words is "three hundred eighty-one billion, one hundred ten million, two hundred seventy-eight thousand, eight hundred sixty-three".