115061540 has 24 divisors (see below), whose sum is σ = 263596032. Its totient is φ = 41840480.

The previous prime is 115061509. The next prime is 115061543. The reversal of 115061540 is 45160511.

It is not an unprimeable number, because it can be changed into a prime (115061543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261284 + ... + 261723.

It is an arithmetic number, because the mean of its divisors is an integer number (10983168).

Almost surely, 2^115061540 is an apocalyptic number.

115061540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115061540 is an abundant number, since it is smaller than the sum of its proper divisors (148534492).

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

115061540 is a wasteful number, since it uses less digits than its factorization.

115061540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523027 (or 523025 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 115061540 is about 10726.6742282965. The cubic root of 115061540 is about 486.3811412879.

The spelling of 115061540 in words is "one hundred fifteen million, sixty-one thousand, five hundred forty".