115505265757 has 4 divisors (see below), whose sum is σ = 132006018016. Its totient is φ = 99004513500.

The previous prime is 115505265727. The next prime is 115505265769. The reversal of 115505265757 is 757562505511.

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 115505265757 - 2¹⁵ = 115505232989 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 115505265757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115505265727) 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, 8250376119 + ... + 8250376132.

It is an arithmetic number, because the mean of its divisors is an integer number (33001504504).

Almost surely, 2^115505265757 is an apocalyptic number.

It is an amenable number.

115505265757 is a deficient number, since it is larger than the sum of its proper divisors (16500752259).

115505265757 is an equidigital number, since it uses as much as digits as its factorization.

115505265757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16500752258.

The product of its (nonzero) digits is 1837500, while the sum is 49.

The spelling of 115505265757 in words is "one hundred fifteen billion, five hundred five million, two hundred sixty-five thousand, seven hundred fifty-seven".