115641277 has 4 divisors (see below), whose sum is σ = 121727680. Its totient is φ = 109554876.

The previous prime is 115641269. The next prime is 115641287. The reversal of 115641277 is 772146511.

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 115641277 - 2³ = 115641269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115641257) 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, 3043173 + ... + 3043210.

It is an arithmetic number, because the mean of its divisors is an integer number (30431920).

Almost surely, 2^115641277 is an apocalyptic number.

It is an amenable number.

115641277 is a deficient number, since it is larger than the sum of its proper divisors (6086403).

115641277 is an equidigital number, since it uses as much as digits as its factorization.

115641277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6086402.

The product of its digits is 11760, while the sum is 34.

The square root of 115641277 is about 10753.6634222947. The cubic root of 115641277 is about 487.1966494975.

Adding to 115641277 its reverse (772146511), we get a palindrome (887787788).

The spelling of 115641277 in words is "one hundred fifteen million, six hundred forty-one thousand, two hundred seventy-seven".