381159777372 has 48 divisors (see below), whose sum is σ = 977306867712. Its totient is φ = 114659870080.

The previous prime is 381159777337. The next prime is 381159777379. The reversal of 381159777372 is 273777951183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381159777379) 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, 10520508 + ... + 10556675.

It is an arithmetic number, because the mean of its divisors is an integer number (20360559744).

Almost surely, 2^381159777372 is an apocalyptic number.

It is an amenable number.

381159777372 is an abundant number, since it is smaller than the sum of its proper divisors (596147090340).

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

381159777372 is a wasteful number, since it uses less digits than its factorization.

381159777372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21077338 (or 21077336 counting only the distinct ones).

The product of its digits is 15558480, while the sum is 60.

The spelling of 381159777372 in words is "three hundred eighty-one billion, one hundred fifty-nine million, seven hundred seventy-seven thousand, three hundred seventy-two".