115702120650 has 48 divisors (see below), whose sum is σ = 287108436384. Its totient is φ = 30835922880.

The previous prime is 115702120637. The next prime is 115702120657. The reversal of 115702120650 is 56021207511.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115702120657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34612 + ... + 482288.

It is an arithmetic number, because the mean of its divisors is an integer number (5981425758).

Almost surely, 2^115702120650 is an apocalyptic number.

115702120650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115702120650 is an abundant number, since it is smaller than the sum of its proper divisors (171406315734).

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

115702120650 is a wasteful number, since it uses less digits than its factorization.

115702120650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449415 (or 449410 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

The spelling of 115702120650 in words is "one hundred fifteen billion, seven hundred two million, one hundred twenty thousand, six hundred fifty".