40115525115 has 16 divisors (see below), whose sum is σ = 64403908128. Its totient is φ = 21321924096.

The previous prime is 40115525089. The next prime is 40115525119. The reversal of 40115525115 is 51152551104.

It is not a de Polignac number, because 40115525115 - 2⁵ = 40115525083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40115525119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4559374 + ... + 4568163.

It is an arithmetic number, because the mean of its divisors is an integer number (4025244258).

Almost surely, 2^40115525115 is an apocalyptic number.

40115525115 is a deficient number, since it is larger than the sum of its proper divisors (24288383013).

40115525115 is a wasteful number, since it uses less digits than its factorization.

40115525115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9127838.

The product of its (nonzero) digits is 5000, while the sum is 30.

The spelling of 40115525115 in words is "forty billion, one hundred fifteen million, five hundred twenty-five thousand, one hundred fifteen".