385665452115 has 16 divisors (see below), whose sum is σ = 618675867648. Its totient is φ = 205151193056.

The previous prime is 385665452093. The next prime is 385665452149. The reversal of 385665452115 is 511254566583.

It is a cyclic number.

It is not a de Polignac number, because 385665452115 - 2⁵ = 385665452083 is a prime.

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, 33559569 + ... + 33571058.

It is an arithmetic number, because the mean of its divisors is an integer number (38667241728).

Almost surely, 2^385665452115 is an apocalyptic number.

385665452115 is a deficient number, since it is larger than the sum of its proper divisors (233010415533).

385665452115 is a wasteful number, since it uses less digits than its factorization.

385665452115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67131018.

The product of its digits is 4320000, while the sum is 51.

The spelling of 385665452115 in words is "three hundred eighty-five billion, six hundred sixty-five million, four hundred fifty-two thousand, one hundred fifteen".