381195552615 has 16 divisors (see below), whose sum is σ = 609976364928. Its totient is φ = 203283134496.

The previous prime is 381195552607. The next prime is 381195552629. The reversal of 381195552615 is 516255591183.

It is not a de Polignac number, because 381195552615 - 2³ = 381195552607 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1173049 + ... + 1462338.

It is an arithmetic number, because the mean of its divisors is an integer number (38123522808).

Almost surely, 2^381195552615 is an apocalyptic number.

381195552615 is a deficient number, since it is larger than the sum of its proper divisors (228780812313).

381195552615 is a wasteful number, since it uses less digits than its factorization.

381195552615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645038.

The product of its digits is 1620000, while the sum is 51.

The spelling of 381195552615 in words is "three hundred eighty-one billion, one hundred ninety-five million, five hundred fifty-two thousand, six hundred fifteen".