115427211261 has 8 divisors (see below), whose sum is σ = 153905482080. Its totient is φ = 76950207312.

The previous prime is 115427211257. The next prime is 115427211287. The reversal of 115427211261 is 162112724511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115427211261 - 2² = 115427211257 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115427211161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78531 + ... + 486848.

It is an arithmetic number, because the mean of its divisors is an integer number (19238185260).

Almost surely, 2^115427211261 is an apocalyptic number.

It is an amenable number.

115427211261 is a deficient number, since it is larger than the sum of its proper divisors (38478270819).

115427211261 is an equidigital number, since it uses as much as digits as its factorization.

115427211261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633435.

The product of its digits is 6720, while the sum is 33.

Adding to 115427211261 its reverse (162112724511), we get a palindrome (277539935772).

The spelling of 115427211261 in words is "one hundred fifteen billion, four hundred twenty-seven million, two hundred eleven thousand, two hundred sixty-one".