115467561 has 24 divisors (see below), whose sum is σ = 182894400. Its totient is φ = 69616800.

The previous prime is 115467559. The next prime is 115467563. The reversal of 115467561 is 165764511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (115467559) and next prime (115467563).

It is not a de Polignac number, because 115467561 - 2¹ = 115467559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115467563) 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, 16771 + ... + 22631.

It is an arithmetic number, because the mean of its divisors is an integer number (7620600).

Almost surely, 2^115467561 is an apocalyptic number.

115467561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

115467561 is a deficient number, since it is larger than the sum of its proper divisors (67426839).

115467561 is a wasteful number, since it uses less digits than its factorization.

115467561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6077 (or 6074 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 115467561 is about 10745.5833252551. The cubic root of 115467561 is about 486.9525720952.

The spelling of 115467561 in words is "one hundred fifteen million, four hundred sixty-seven thousand, five hundred sixty-one".