115779502080 has 816 divisors, whose sum is σ = 453434357376. Its totient is φ = 27084718080.

The previous prime is 115779502079. The next prime is 115779502129. The reversal of 115779502080 is 80205977511.

115779502080 is a `hidden beast` number, since 1 + 1 + 577 + 9 + 50 + 20 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1394933719 + ... + 1394933801.

Almost surely, 2^115779502080 is an apocalyptic number.

115779502080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115779502080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226717178688).

115779502080 is an abundant number, since it is smaller than the sum of its proper divisors (337654855296).

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

115779502080 is an equidigital number, since it uses as much as digits as its factorization.

115779502080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 45.

The spelling of 115779502080 in words is "one hundred fifteen billion, seven hundred seventy-nine million, five hundred two thousand, eighty".