115580421 has 24 divisors (see below), whose sum is σ = 185122080. Its totient is φ = 68896800.

The previous prime is 115580407. The next prime is 115580429. The reversal of 115580421 is 124085511.

It is not a de Polignac number, because 115580421 - 2¹¹ = 115578373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115580429) 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, 3531 + ... + 15608.

It is an arithmetic number, because the mean of its divisors is an integer number (7713420).

Almost surely, 2^115580421 is an apocalyptic number.

115580421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

115580421 is a deficient number, since it is larger than the sum of its proper divisors (69541659).

115580421 is a wasteful number, since it uses less digits than its factorization.

115580421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19217 (or 19214 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 115580421 is about 10750.8335025709. The cubic root of 115580421 is about 487.1111724012. Note that the first 4 decimals are identical.

The spelling of 115580421 in words is "one hundred fifteen million, five hundred eighty thousand, four hundred twenty-one".