115530140745 has 24 divisors (see below), whose sum is σ = 200336253000. Its totient is φ = 61590226176.

The previous prime is 115530140717. The next prime is 115530140749. The reversal of 115530140745 is 547041035511.

115530140745 is a `hidden beast` number, since 1 + 15 + 530 + 1 + 40 + 74 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1194186249 + 114335954496 = 34557^2 + 338136^2 .

It is not a de Polignac number, because 115530140745 - 2⁶ = 115530140681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115530140749) 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, 429820 + ... + 644829.

It is an arithmetic number, because the mean of its divisors is an integer number (8347343875).

Almost surely, 2^115530140745 is an apocalyptic number.

115530140745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115530140745 is a deficient number, since it is larger than the sum of its proper divisors (84806112255).

115530140745 is a wasteful number, since it uses less digits than its factorization.

115530140745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077049 (or 1077046 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The spelling of 115530140745 in words is "one hundred fifteen billion, five hundred thirty million, one hundred forty thousand, seven hundred forty-five".