115720516407 has 8 divisors (see below), whose sum is σ = 154320939376. Its totient is φ = 77133552192.

The previous prime is 115720516403. The next prime is 115720516447. The reversal of 115720516407 is 704615027511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115720516407 - 2² = 115720516403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115720516403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3344608 + ... + 3379029.

It is an arithmetic number, because the mean of its divisors is an integer number (19290117422).

Almost surely, 2^115720516407 is an apocalyptic number.

115720516407 is a deficient number, since it is larger than the sum of its proper divisors (38600422969).

115720516407 is an equidigital number, since it uses as much as digits as its factorization.

115720516407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6729377.

The product of its (nonzero) digits is 58800, while the sum is 39.

The spelling of 115720516407 in words is "one hundred fifteen billion, seven hundred twenty million, five hundred sixteen thousand, four hundred seven".