78058111415 has 16 divisors (see below), whose sum is σ = 95493035808. Its totient is φ = 61232336256.

The previous prime is 78058111399. The next prime is 78058111441. The reversal of 78058111415 is 51411185087.

It is a cyclic number.

It is not a de Polignac number, because 78058111415 - 2⁴ = 78058111399 is a prime.

It is a Duffinian number.

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, 371117 + ... + 542073.

It is an arithmetic number, because the mean of its divisors is an integer number (5968314738).

Almost surely, 2^78058111415 is an apocalyptic number.

78058111415 is a deficient number, since it is larger than the sum of its proper divisors (17434924393).

78058111415 is a wasteful number, since it uses less digits than its factorization.

78058111415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172738.

The product of its (nonzero) digits is 44800, while the sum is 41.

The spelling of 78058111415 in words is "seventy-eight billion, fifty-eight million, one hundred eleven thousand, four hundred fifteen".