11712235841 has 2 divisors, whose sum is σ = 11712235842. Its totient is φ = 11712235840.

The previous prime is 11712235817. The next prime is 11712235853. The reversal of 11712235841 is 14853221711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8564577025 + 3147658816 = 92545^2 + 56104^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11712235841 is a prime.

It is not a weakly prime, because it can be changed into another prime (11712235141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5856117920 + 5856117921.

It is an arithmetic number, because the mean of its divisors is an integer number (5856117921).

Almost surely, 2^11712235841 is an apocalyptic number.

It is an amenable number.

11712235841 is a deficient number, since it is larger than the sum of its proper divisors (1).

11712235841 is an equidigital number, since it uses as much as digits as its factorization.

11712235841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 35.

The spelling of 11712235841 in words is "eleven billion, seven hundred twelve million, two hundred thirty-five thousand, eight hundred forty-one".