11731233141 has 12 divisors (see below), whose sum is σ = 16947150220. Its totient is φ = 7819882560.

The previous prime is 11731233139. The next prime is 11731233169. The reversal of 11731233141 is 14133213711.

11731233141 is a `hidden beast` number, since 1 + 17 + 312 + 331 + 4 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4391712900 + 7339520241 = 66270^2 + 85671^2 .

It is not a de Polignac number, because 11731233141 - 2¹ = 11731233139 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 (11731233121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5505 + ... + 153273.

Almost surely, 2^11731233141 is an apocalyptic number.

It is an amenable number.

11731233141 is a deficient number, since it is larger than the sum of its proper divisors (5215917079).

11731233141 is a wasteful number, since it uses less digits than its factorization.

11731233141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156596 (or 156593 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

Adding to 11731233141 its reverse (14133213711), we get a palindrome (25864446852).

The spelling of 11731233141 in words is "eleven billion, seven hundred thirty-one million, two hundred thirty-three thousand, one hundred forty-one".