115525115415 has 24 divisors (see below), whose sum is σ = 208949775840. Its totient is φ = 58934551104.

The previous prime is 115525115399. The next prime is 115525115417. The reversal of 115525115415 is 514511525511.

115525115415 is a `hidden beast` number, since 1 + 1 + 5 + 525 + 115 + 4 + 15 = 666.

It is not a de Polignac number, because 115525115415 - 2⁴ = 115525115399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115525115415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115525115417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55808200 + ... + 55810269.

It is an arithmetic number, because the mean of its divisors is an integer number (8706240660).

Almost surely, 2^115525115415 is an apocalyptic number.

115525115415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115525115415 is a deficient number, since it is larger than the sum of its proper divisors (93424660425).

115525115415 is a wasteful number, since it uses less digits than its factorization.

115525115415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111618503 (or 111618500 counting only the distinct ones).

The product of its digits is 25000, while the sum is 36.

The spelling of 115525115415 in words is "one hundred fifteen billion, five hundred twenty-five million, one hundred fifteen thousand, four hundred fifteen".