115616461 has 2 divisors, whose sum is σ = 115616462. Its totient is φ = 115616460.

The previous prime is 115616441. The next prime is 115616467. The reversal of 115616461 is 164616511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79388100 + 36228361 = 8910^2 + 6019^2 .

It is a cyclic number.

It is not a de Polignac number, because 115616461 - 2¹¹ = 115614413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115616467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57808230 + 57808231.

It is an arithmetic number, because the mean of its divisors is an integer number (57808231).

Almost surely, 2^115616461 is an apocalyptic number.

It is an amenable number.

115616461 is a deficient number, since it is larger than the sum of its proper divisors (1).

115616461 is an equidigital number, since it uses as much as digits as its factorization.

115616461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 31.

The square root of 115616461 is about 10752.5095210374. The cubic root of 115616461 is about 487.1617970720.

Subtracting 115616461 from its reverse (164616511), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 115616461 in words is "one hundred fifteen million, six hundred sixteen thousand, four hundred sixty-one".