115610551 has 20 divisors (see below), whose sum is σ = 136128600. Its totient is φ = 98174832.

The previous prime is 115610549. The next prime is 115610597. The reversal of 115610551 is 155016511.

It is not a de Polignac number, because 115610551 - 2¹ = 115610549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115670551) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 429645 + ... + 429913.

It is an arithmetic number, because the mean of its divisors is an integer number (6806430).

Almost surely, 2^115610551 is an apocalyptic number.

115610551 is a deficient number, since it is larger than the sum of its proper divisors (20518049).

115610551 is an frugal number, since it uses more digits than its factorization.

115610551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476 (or 455 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 25.

The square root of 115610551 is about 10752.2346979593. The cubic root of 115610551 is about 487.1534961338.

The spelling of 115610551 in words is "one hundred fifteen million, six hundred ten thousand, five hundred fifty-one".