11232439961 has 2 divisors, whose sum is σ = 11232439962. Its totient is φ = 11232439960.

The previous prime is 11232439949. The next prime is 11232440017. The reversal of 11232439961 is 16993423211.

11232439961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10682256025 + 550183936 = 103355^2 + 23456^2 .

It is an emirp because it is prime and its reverse (16993423211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11232439961 - 2²² = 11228245657 is a prime.

It is not a weakly prime, because it can be changed into another prime (11232439061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5616219980 + 5616219981.

It is an arithmetic number, because the mean of its divisors is an integer number (5616219981).

Almost surely, 2^11232439961 is an apocalyptic number.

It is an amenable number.

11232439961 is a deficient number, since it is larger than the sum of its proper divisors (1).

11232439961 is an equidigital number, since it uses as much as digits as its factorization.

11232439961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 41.

The spelling of 11232439961 in words is "eleven billion, two hundred thirty-two million, four hundred thirty-nine thousand, nine hundred sixty-one".