115212412311225 has 48 divisors (see below), whose sum is σ = 201255413918400. Its totient is φ = 57996183409920.

The previous prime is 115212412311221. The next prime is 115212412311251. The reversal of 115212412311225 is 522113214212511.

It is not a de Polignac number, because 115212412311225 - 2² = 115212412311221 is a prime.

It is a super-2 number, since 2×115212412311225² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115212412311221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 149897002 + ... + 150663651.

It is an arithmetic number, because the mean of its divisors is an integer number (4192821123300).

Almost surely, 2^{115212412311225} is an apocalyptic number.

115212412311225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115212412311225 is a deficient number, since it is larger than the sum of its proper divisors (86043001607175).

115212412311225 is a wasteful number, since it uses less digits than its factorization.

115212412311225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300560954 (or 300560949 counting only the distinct ones).

The product of its digits is 9600, while the sum is 33.

Adding to 115212412311225 its reverse (522113214212511), we get a palindrome (637325626523736).

The spelling of 115212412311225 in words is "one hundred fifteen trillion, two hundred twelve billion, four hundred twelve million, three hundred eleven thousand, two hundred twenty-five".