11293006181 has 4 divisors (see below), whose sum is σ = 11335945632. Its totient is φ = 11250066732.

The previous prime is 11293006147. The next prime is 11293006183. The reversal of 11293006181 is 18160039211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18160039211 = 47 ⋅386383813.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11293006181 is a prime.

It is a super-2 number, since 2×11293006181² (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 (11293006183) 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, 21469331 + ... + 21469856.

It is an arithmetic number, because the mean of its divisors is an integer number (2833986408).

Almost surely, 2^11293006181 is an apocalyptic number.

It is an amenable number.

11293006181 is a deficient number, since it is larger than the sum of its proper divisors (42939451).

11293006181 is an equidigital number, since it uses as much as digits as its factorization.

11293006181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42939450.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 11293006181 in words is "eleven billion, two hundred ninety-three million, six thousand, one hundred eighty-one".