381154027975 has 96 divisors (see below), whose sum is σ = 591325581312. Its totient is φ = 237669120000.

The previous prime is 381154027967. The next prime is 381154028027. The reversal of 381154027975 is 579720451183.

It is not a de Polignac number, because 381154027975 - 2³ = 381154027967 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 63724485 + ... + 63730465.

It is an arithmetic number, because the mean of its divisors is an integer number (6159641472).

Almost surely, 2^381154027975 is an apocalyptic number.

381154027975 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

381154027975 is a deficient number, since it is larger than the sum of its proper divisors (210171553337).

381154027975 is a wasteful number, since it uses less digits than its factorization.

381154027975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6737 (or 6732 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 52.

The spelling of 381154027975 in words is "three hundred eighty-one billion, one hundred fifty-four million, twenty-seven thousand, nine hundred seventy-five".