115212525415205 has 8 divisors (see below), whose sum is σ = 146387679351192. Its totient is φ = 86748254430208.

The previous prime is 115212525415177. The next prime is 115212525415249. The reversal of 115212525415205 is 502514525212511.

It can be written as a sum of positive squares in 4 ways, for example, as 20893291362724 + 94319234052481 = 4570918^2 + 9711809^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 115212525415205 - 2⁴⁰ = 114113013787429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 677720737652 + ... + 677720737821.

It is an arithmetic number, because the mean of its divisors is an integer number (18298459918899).

Almost surely, 2^{115212525415205} is an apocalyptic number.

It is an amenable number.

115212525415205 is a deficient number, since it is larger than the sum of its proper divisors (31175153935987).

115212525415205 is a wasteful number, since it uses less digits than its factorization.

115212525415205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355441475495.

The product of its (nonzero) digits is 200000, while the sum is 41.

The spelling of 115212525415205 in words is "one hundred fifteen trillion, two hundred twelve billion, five hundred twenty-five million, four hundred fifteen thousand, two hundred five".