115513783 has 16 divisors (see below), whose sum is σ = 144668160. Its totient is φ = 89604000.

The previous prime is 115513771. The next prime is 115513817. The reversal of 115513783 is 387315511.

It is a cyclic number.

It is not a de Polignac number, because 115513783 - 2¹⁷ = 115382711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115513753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14358 + ... + 20908.

It is an arithmetic number, because the mean of its divisors is an integer number (9041760).

Almost surely, 2^115513783 is an apocalyptic number.

115513783 is a deficient number, since it is larger than the sum of its proper divisors (29154377).

115513783 is a wasteful number, since it uses less digits than its factorization.

115513783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6798.

The product of its digits is 12600, while the sum is 34.

The square root of 115513783 is about 10747.7338541667. The cubic root of 115513783 is about 487.0175396033.

The spelling of 115513783 in words is "one hundred fifteen million, five hundred thirteen thousand, seven hundred eighty-three".