381275528715 has 12 divisors (see below), whose sum is σ = 660877583184. Its totient is φ = 203346948624.

The previous prime is 381275528713. The next prime is 381275528747. The reversal of 381275528715 is 517825572183.

It is a happy number.

381275528715 is a `hidden beast` number, since 3 + 8 + 1 + 2 + 7 + 552 + 87 + 1 + 5 = 666.

381275528715 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 381275528715 - 2¹ = 381275528713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (381275528713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4236394719 + ... + 4236394808.

It is an arithmetic number, because the mean of its divisors is an integer number (55073131932).

Almost surely, 2^381275528715 is an apocalyptic number.

381275528715 is a deficient number, since it is larger than the sum of its proper divisors (279602054469).

381275528715 is a wasteful number, since it uses less digits than its factorization.

381275528715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8472789538 (or 8472789535 counting only the distinct ones).

The product of its digits is 4704000, while the sum is 54.

The spelling of 381275528715 in words is "three hundred eighty-one billion, two hundred seventy-five million, five hundred twenty-eight thousand, seven hundred fifteen".