115122005780 has 24 divisors (see below), whose sum is σ = 242088782208. Its totient is φ = 45985455648.

The previous prime is 115122005737. The next prime is 115122005809. The reversal of 115122005780 is 87500221511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3944264 + ... + 3973343.

It is an arithmetic number, because the mean of its divisors is an integer number (10087032592).

Almost surely, 2^115122005780 is an apocalyptic number.

115122005780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115122005780 is an abundant number, since it is smaller than the sum of its proper divisors (126966776428).

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

115122005780 is a wasteful number, since it uses less digits than its factorization.

115122005780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7918343 (or 7918341 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 32.

The spelling of 115122005780 in words is "one hundred fifteen billion, one hundred twenty-two million, five thousand, seven hundred eighty".