115680785450 has 24 divisors (see below), whose sum is σ = 215195268288. Its totient is φ = 46266076080.

The previous prime is 115680785447. The next prime is 115680785477. The reversal of 115680785450 is 54587086511.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 227999 + ... + 532301.

It is an arithmetic number, because the mean of its divisors is an integer number (8966469512).

Almost surely, 2^115680785450 is an apocalyptic number.

115680785450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115680785450 is a deficient number, since it is larger than the sum of its proper divisors (99514482838).

115680785450 is a wasteful number, since it uses less digits than its factorization.

115680785450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311918 (or 311913 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 50.

The spelling of 115680785450 in words is "one hundred fifteen billion, six hundred eighty million, seven hundred eighty-five thousand, four hundred fifty".