115225744420 has 24 divisors (see below), whose sum is σ = 241993866744. Its totient is φ = 46086525696.

The previous prime is 115225744409. The next prime is 115225744441. The reversal of 115225744420 is 24447522511.

It can be written as a sum of positive squares in 4 ways, for example, as 46469562624 + 68756181796 = 215568^2 + 262214^2 .

It is a super-2 number, since 2×115225744420² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115225744420.

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, 21582 + ... + 480538.

It is an arithmetic number, because the mean of its divisors is an integer number (10083077781).

Almost surely, 2^115225744420 is an apocalyptic number.

115225744420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115225744420 is an abundant number, since it is smaller than the sum of its proper divisors (126768122324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115225744420 is a wasteful number, since it uses less digits than its factorization.

115225744420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471519 (or 471517 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 37.

The spelling of 115225744420 in words is "one hundred fifteen billion, two hundred twenty-five million, seven hundred forty-four thousand, four hundred twenty".