115220160311 has 4 divisors (see below), whose sum is σ = 115493842824. Its totient is φ = 114946477800.

The previous prime is 115220160271. The next prime is 115220160323. The reversal of 115220160311 is 113061022511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113061022511 = 17 ⋅6650648383.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115220160311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115220160511) 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, 136840625 + ... + 136841466.

It is an arithmetic number, because the mean of its divisors is an integer number (28873460706).

Almost surely, 2^115220160311 is an apocalyptic number.

115220160311 is a deficient number, since it is larger than the sum of its proper divisors (273682513).

115220160311 is an equidigital number, since it uses as much as digits as its factorization.

115220160311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273682512.

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 115220160311 its reverse (113061022511), we get a palindrome (228281182822).

The spelling of 115220160311 in words is "one hundred fifteen billion, two hundred twenty million, one hundred sixty thousand, three hundred eleven".