11430840913 has 2 divisors, whose sum is σ = 11430840914. Its totient is φ = 11430840912.

The previous prime is 11430840871. The next prime is 11430840947. The reversal of 11430840913 is 31904803411.

It is an a-pointer prime, because the next prime (11430840947) can be obtained adding 11430840913 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10727159184 + 703681729 = 103572^2 + 26527^2 .

It is a cyclic number.

It is not a de Polignac number, because 11430840913 - 2²⁹ = 10893970001 is a prime.

It is not a weakly prime, because it can be changed into another prime (11430841913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5715420456 + 5715420457.

It is an arithmetic number, because the mean of its divisors is an integer number (5715420457).

Almost surely, 2^11430840913 is an apocalyptic number.

It is an amenable number.

11430840913 is a deficient number, since it is larger than the sum of its proper divisors (1).

11430840913 is an equidigital number, since it uses as much as digits as its factorization.

11430840913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 11430840913 in words is "eleven billion, four hundred thirty million, eight hundred forty thousand, nine hundred thirteen".