11401232309 has 2 divisors, whose sum is σ = 11401232310. Its totient is φ = 11401232308.

The previous prime is 11401232287. The next prime is 11401232369. The reversal of 11401232309 is 90323210411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10255612900 + 1145619409 = 101270^2 + 33847^2 .

It is a cyclic number.

It is not a de Polignac number, because 11401232309 - 2¹² = 11401228213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11401232369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5700616154 + 5700616155.

It is an arithmetic number, because the mean of its divisors is an integer number (5700616155).

Almost surely, 2^11401232309 is an apocalyptic number.

It is an amenable number.

11401232309 is a deficient number, since it is larger than the sum of its proper divisors (1).

11401232309 is an equidigital number, since it uses as much as digits as its factorization.

11401232309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 11401232309 in words is "eleven billion, four hundred one million, two hundred thirty-two thousand, three hundred nine".