11417061181 has 4 divisors (see below), whose sum is σ = 11500397532. Its totient is φ = 11333724832.

The previous prime is 11417061169. The next prime is 11417061199. The reversal of 11417061181 is 18116071411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9621844281 + 1795216900 = 98091^2 + 42370^2 .

It is a cyclic number.

It is not a de Polignac number, because 11417061181 - 2⁷ = 11417061053 is a prime.

It is a super-2 number, since 2×11417061181² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11417061151) 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, 41667970 + ... + 41668243.

It is an arithmetic number, because the mean of its divisors is an integer number (2875099383).

Almost surely, 2^11417061181 is an apocalyptic number.

It is an amenable number.

11417061181 is a deficient number, since it is larger than the sum of its proper divisors (83336351).

11417061181 is an equidigital number, since it uses as much as digits as its factorization.

11417061181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83336350.

The product of its (nonzero) digits is 1344, while the sum is 31.

The spelling of 11417061181 in words is "eleven billion, four hundred seventeen million, sixty-one thousand, one hundred eighty-one".