115540469 has 4 divisors (see below), whose sum is σ = 126044160. Its totient is φ = 105036780.

The previous prime is 115540459. The next prime is 115540471. The reversal of 115540469 is 964045511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 115540469 - 2⁸ = 115540213 is a prime.

It is a super-2 number, since 2×115540469² = 26699199953479922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115540459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5251829 + ... + 5251850.

It is an arithmetic number, because the mean of its divisors is an integer number (31511040).

Almost surely, 2^115540469 is an apocalyptic number.

It is an amenable number.

115540469 is a deficient number, since it is larger than the sum of its proper divisors (10503691).

115540469 is a wasteful number, since it uses less digits than its factorization.

115540469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10503690.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 115540469 is about 10748.9752534835. The cubic root of 115540469 is about 487.0550403212.

The spelling of 115540469 in words is "one hundred fifteen million, five hundred forty thousand, four hundred sixty-nine".