115025515311 has 16 divisors (see below), whose sum is σ = 185587386624. Its totient is φ = 61862461824.

The previous prime is 115025515301. The next prime is 115025515321. The reversal of 115025515311 is 113515520511.

It is an interprime number because it is at equal distance from previous prime (115025515301) and next prime (115025515321).

It is not a de Polignac number, because 115025515311 - 2⁵ = 115025515279 is a prime.

It is a super-2 number, since 2×115025515311² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115025515301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161099805 + ... + 161100518.

It is an arithmetic number, because the mean of its divisors is an integer number (11599211664).

Almost surely, 2^115025515311 is an apocalyptic number.

115025515311 is a deficient number, since it is larger than the sum of its proper divisors (70561871313).

115025515311 is a wasteful number, since it uses less digits than its factorization.

115025515311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322200350.

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 115025515311 in words is "one hundred fifteen billion, twenty-five million, five hundred fifteen thousand, three hundred eleven".