115582430778 has 8 divisors (see below), whose sum is σ = 231164861568. Its totient is φ = 38527476924.

The previous prime is 115582430773. The next prime is 115582430807. The reversal of 115582430778 is 877034285511.

It is a sphenic number, since it is the product of 3 distinct primes.

115582430778 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 115582430778.

It is not an unprimeable number, because it can be changed into a prime (115582430773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9631869226 + ... + 9631869237.

It is an arithmetic number, because the mean of its divisors is an integer number (28895607696).

Almost surely, 2^115582430778 is an apocalyptic number.

115582430778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115582430778 is a wasteful number, since it uses less digits than its factorization.

115582430778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19263738468.

The product of its (nonzero) digits is 1881600, while the sum is 51.

The spelling of 115582430778 in words is "one hundred fifteen billion, five hundred eighty-two million, four hundred thirty thousand, seven hundred seventy-eight".