11330439961 has 2 divisors, whose sum is σ = 11330439962. Its totient is φ = 11330439960.

The previous prime is 11330439949. The next prime is 11330440003. The reversal of 11330439961 is 16993403311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8259174400 + 3071265561 = 90880^2 + 55419^2 .

It is an emirp because it is prime and its reverse (16993403311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11330439961 - 2⁷ = 11330439833 is a prime.

It is not a weakly prime, because it can be changed into another prime (11330739961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665219980 + 5665219981.

It is an arithmetic number, because the mean of its divisors is an integer number (5665219981).

Almost surely, 2^11330439961 is an apocalyptic number.

It is an amenable number.

11330439961 is a deficient number, since it is larger than the sum of its proper divisors (1).

11330439961 is an equidigital number, since it uses as much as digits as its factorization.

11330439961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 40.

The spelling of 11330439961 in words is "eleven billion, three hundred thirty million, four hundred thirty-nine thousand, nine hundred sixty-one".