385561057215 has 16 divisors (see below), whose sum is σ = 626105121408. Its totient is φ = 202563420576.

The previous prime is 385561057171. The next prime is 385561057243. The reversal of 385561057215 is 512750165583.

It is not a de Polignac number, because 385561057215 - 2⁶ = 385561057151 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191820417 + ... + 191822426.

It is an arithmetic number, because the mean of its divisors is an integer number (39131570088).

Almost surely, 2^385561057215 is an apocalyptic number.

385561057215 is a deficient number, since it is larger than the sum of its proper divisors (240544064193).

385561057215 is a wasteful number, since it uses less digits than its factorization.

385561057215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383642918.

The product of its (nonzero) digits is 1260000, while the sum is 48.

The spelling of 385561057215 in words is "three hundred eighty-five billion, five hundred sixty-one million, fifty-seven thousand, two hundred fifteen".