11403421079 has 2 divisors, whose sum is σ = 11403421080. Its totient is φ = 11403421078.

The previous prime is 11403421067. The next prime is 11403421111. The reversal of 11403421079 is 97012430411.

It is an a-pointer prime, because the next prime (11403421111) can be obtained adding 11403421079 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11403421079 - 2⁸ = 11403420823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11403421049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5701710539 + 5701710540.

It is an arithmetic number, because the mean of its divisors is an integer number (5701710540).

Almost surely, 2^11403421079 is an apocalyptic number.

11403421079 is a deficient number, since it is larger than the sum of its proper divisors (1).

11403421079 is an equidigital number, since it uses as much as digits as its factorization.

11403421079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 11403421079 in words is "eleven billion, four hundred three million, four hundred twenty-one thousand, seventy-nine".