115045107489 has 75 divisors (see below), whose sum is σ = 187017088533. Its totient is φ = 70479513936.

The previous prime is 115045107481. The next prime is 115045107523. The reversal of 115045107489 is 984701540511.

The square root of 115045107489 is 339183.

It is a perfect power (a square), and thus also a powerful number.

115045107489 is a `hidden beast` number, since 1 + 1 + 50 + 4 + 510 + 7 + 4 + 89 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 57041201889 + 58003905600 = 238833^2 + 240840^2 .

It is not a de Polignac number, because 115045107489 - 2³ = 115045107481 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115045107481) by changing a digit.

It is a polite number, since it can be written in 74 ways as a sum of consecutive naturals, for example, 515897232 + ... + 515897454.

Almost surely, 2^115045107489 is an apocalyptic number.

115045107489 is the 339183-rd square number.

115045107489 is the 169592-nd centered octagonal number.

It is an amenable number.

115045107489 is a deficient number, since it is larger than the sum of its proper divisors (71971981044).

115045107489 is an frugal number, since it uses more digits than its factorization.

115045107489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The spelling of 115045107489 in words is "one hundred fifteen billion, forty-five million, one hundred seven thousand, four hundred eighty-nine".