115132221045 has 40 divisors (see below), whose sum is σ = 206603790624. Its totient is φ = 61338806496.

The previous prime is 115132221031. The next prime is 115132221067. The reversal of 115132221045 is 540122231511.

It is a happy number.

It is not a de Polignac number, because 115132221045 - 2⁸ = 115132220789 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 233442 + ... + 533628.

Almost surely, 2^115132221045 is an apocalyptic number.

115132221045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115132221045 is a deficient number, since it is larger than the sum of its proper divisors (91471569579).

115132221045 is an equidigital number, since it uses as much as digits as its factorization.

115132221045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301151 (or 301142 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 115132221045 its reverse (540122231511), we get a palindrome (655254452556).

The spelling of 115132221045 in words is "one hundred fifteen billion, one hundred thirty-two million, two hundred twenty-one thousand, forty-five".