11404312397 has 2 divisors, whose sum is σ = 11404312398. Its totient is φ = 11404312396.

The previous prime is 11404312369. The next prime is 11404312417. The reversal of 11404312397 is 79321340411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11290975081 + 113337316 = 106259^2 + 10646^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11404312397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11404312327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5702156198 + 5702156199.

It is an arithmetic number, because the mean of its divisors is an integer number (5702156199).

Almost surely, 2^11404312397 is an apocalyptic number.

It is an amenable number.

11404312397 is a deficient number, since it is larger than the sum of its proper divisors (1).

11404312397 is an equidigital number, since it uses as much as digits as its factorization.

11404312397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 11404312397 in words is "eleven billion, four hundred four million, three hundred twelve thousand, three hundred ninety-seven".