115055701561 has 4 divisors (see below), whose sum is σ = 120058123392. Its totient is φ = 110053279732.

The previous prime is 115055701547. The next prime is 115055701567. The reversal of 115055701561 is 165107550511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 115055701561 - 2⁷ = 115055701433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115055701561.

It is not an unprimeable number, because it can be changed into a prime (115055701567) 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, 2501210881 + ... + 2501210926.

It is an arithmetic number, because the mean of its divisors is an integer number (30014530848).

Almost surely, 2^115055701561 is an apocalyptic number.

It is an amenable number.

115055701561 is a deficient number, since it is larger than the sum of its proper divisors (5002421831).

115055701561 is an equidigital number, since it uses as much as digits as its factorization.

115055701561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5002421830.

The product of its (nonzero) digits is 26250, while the sum is 37.

The spelling of 115055701561 in words is "one hundred fifteen billion, fifty-five million, seven hundred one thousand, five hundred sixty-one".