115681480380 has 72 divisors (see below), whose sum is σ = 351008658000. Its totient is φ = 30838885632.

The previous prime is 115681480351. The next prime is 115681480399. The reversal of 115681480380 is 83084186511.

115681480380 is a `hidden beast` number, since 1 + 1 + 568 + 1 + 4 + 8 + 0 + 3 + 80 = 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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 496416 + ... + 691224.

It is an arithmetic number, because the mean of its divisors is an integer number (4875120250).

Almost surely, 2^115681480380 is an apocalyptic number.

115681480380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115681480380 is an abundant number, since it is smaller than the sum of its proper divisors (235327177620).

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

115681480380 is a wasteful number, since it uses less digits than its factorization.

115681480380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198123 (or 198118 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The spelling of 115681480380 in words is "one hundred fifteen billion, six hundred eighty-one million, four hundred eighty thousand, three hundred eighty".