115200551 has 4 divisors (see below), whose sum is σ = 121977072. Its totient is φ = 108424032.

The previous prime is 115200541. The next prime is 115200563. The reversal of 115200551 is 155002511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155002511 = 31 ⋅5000081.

It is a cyclic number.

It is not a de Polignac number, because 115200551 - 2⁶ = 115200487 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 (115200541) 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, 3388235 + ... + 3388268.

It is an arithmetic number, because the mean of its divisors is an integer number (30494268).

Almost surely, 2^115200551 is an apocalyptic number.

115200551 is a deficient number, since it is larger than the sum of its proper divisors (6776521).

115200551 is an equidigital number, since it uses as much as digits as its factorization.

115200551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6776520.

The product of its (nonzero) digits is 250, while the sum is 20.

The square root of 115200551 is about 10733.1519601653. The cubic root of 115200551 is about 486.5769354070.

The spelling of 115200551 in words is "one hundred fifteen million, two hundred thousand, five hundred fifty-one".