113280281181 has 6 divisors (see below), whose sum is σ = 163627072830. Its totient is φ = 75520187448.

The previous prime is 113280281123. The next prime is 113280281221. The reversal of 113280281181 is 181182082311.

It can be written as a sum of positive squares in only one way, i.e., 113107779225 + 172501956 = 336315^2 + 13134^2 .

It is not a de Polignac number, because 113280281181 - 2⁶ = 113280281117 is a prime.

It is a super-2 number, since 2×113280281181² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113280281381) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6293348946 + ... + 6293348963.

It is an arithmetic number, because the mean of its divisors is an integer number (27271178805).

Almost surely, 2^113280281181 is an apocalyptic number.

It is an amenable number.

113280281181 is a deficient number, since it is larger than the sum of its proper divisors (50346791649).

113280281181 is a wasteful number, since it uses less digits than its factorization.

113280281181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12586697915 (or 12586697912 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 36.

The spelling of 113280281181 in words is "one hundred thirteen billion, two hundred eighty million, two hundred eighty-one thousand, one hundred eighty-one".