115520040401 has 32 divisors (see below), whose sum is σ = 123363717120. Its totient is φ = 107979379200.

The previous prime is 115520040397. The next prime is 115520040403. The reversal of 115520040401 is 104040025511.

It is a cyclic number.

It is not a de Polignac number, because 115520040401 - 2² = 115520040397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115520040403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122762591 + ... + 122763531.

It is an arithmetic number, because the mean of its divisors is an integer number (3855116160).

Almost surely, 2^115520040401 is an apocalyptic number.

It is an amenable number.

115520040401 is a deficient number, since it is larger than the sum of its proper divisors (7843676719).

115520040401 is a wasteful number, since it uses less digits than its factorization.

115520040401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697.

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 115520040401 its reverse (104040025511), we get a palindrome (219560065912).

The spelling of 115520040401 in words is "one hundred fifteen billion, five hundred twenty million, forty thousand, four hundred one".