381359023155 has 256 divisors, whose sum is σ = 793052467200. Its totient is φ = 172430069760.

The previous prime is 381359023109. The next prime is 381359023159. The reversal of 381359023155 is 551320953183.

381359023155 is a `hidden beast` number, since 3 + 8 + 1 + 3 + 590 + 2 + 3 + 1 + 55 = 666.

It is not a de Polignac number, because 381359023155 - 2⁶ = 381359023091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 381359023155.

It is not an unprimeable number, because it can be changed into a prime (381359023159) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1218399279 + ... + 1218399591.

It is an arithmetic number, because the mean of its divisors is an integer number (3097861200).

Almost surely, 2^381359023155 is an apocalyptic number.

381359023155 is an abundant number, since it is smaller than the sum of its proper divisors (411693444045).

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

381359023155 is a wasteful number, since it uses less digits than its factorization.

381359023155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 45.

The spelling of 381359023155 in words is "three hundred eighty-one billion, three hundred fifty-nine million, twenty-three thousand, one hundred fifty-five".