115811263226881 has 8 divisors (see below), whose sum is σ = 116549187044480. Its totient is φ = 115073342858448.

The previous prime is 115811263226851. The next prime is 115811263226933. The reversal of 115811263226881 is 188622362118511.

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

It is a cyclic number.

It is not a de Polignac number, because 115811263226881 - 2⁹ = 115811263226369 is a prime.

It is a super-2 number, since 2×115811263226881² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115811263226801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122983030 + ... + 123921136.

It is an arithmetic number, because the mean of its divisors is an integer number (14568648380560).

Almost surely, 2^{115811263226881} is an apocalyptic number.

It is an amenable number.

115811263226881 is a deficient number, since it is larger than the sum of its proper divisors (737923817599).

115811263226881 is an equidigital number, since it uses as much as digits as its factorization.

115811263226881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1724583.

The product of its digits is 2211840, while the sum is 55.

The spelling of 115811263226881 in words is "one hundred fifteen trillion, eight hundred eleven billion, two hundred sixty-three million, two hundred twenty-six thousand, eight hundred eighty-one".