115057575757 has 4 divisors (see below), whose sum is σ = 115790426716. Its totient is φ = 114324724800.

The previous prime is 115057575727. The next prime is 115057575761. The reversal of 115057575757 is 757575750511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32222404036 + 82835171721 = 179506^2 + 287811^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115057575757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115057575698 and 115057575707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115057575727) 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, 366425244 + ... + 366425557.

It is an arithmetic number, because the mean of its divisors is an integer number (28947606679).

Almost surely, 2^115057575757 is an apocalyptic number.

It is an amenable number.

115057575757 is a deficient number, since it is larger than the sum of its proper divisors (732850959).

115057575757 is an equidigital number, since it uses as much as digits as its factorization.

115057575757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732850958.

The product of its (nonzero) digits is 7503125, while the sum is 55.

The spelling of 115057575757 in words is "one hundred fifteen billion, fifty-seven million, five hundred seventy-five thousand, seven hundred fifty-seven".