115520040399 has 8 divisors (see below), whose sum is σ = 154088267392. Its totient is φ = 76982586840.

The previous prime is 115520040397. The next prime is 115520040403. The reversal of 115520040399 is 993040025511.

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

It is not a de Polignac number, because 115520040399 - 2¹ = 115520040397 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 (115520040397) 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, 7684597 + ... + 7699614.

It is an arithmetic number, because the mean of its divisors is an integer number (19261033424).

Almost surely, 2^115520040399 is an apocalyptic number.

115520040399 is a deficient number, since it is larger than the sum of its proper divisors (38568226993).

115520040399 is a wasteful number, since it uses less digits than its factorization.

115520040399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15386717.

The product of its (nonzero) digits is 48600, while the sum is 39.

The spelling of 115520040399 in words is "one hundred fifteen billion, five hundred twenty million, forty thousand, three hundred ninety-nine".