11421499 has 2 divisors, whose sum is σ = 11421500. Its totient is φ = 11421498.

The previous prime is 11421481. The next prime is 11421503. The reversal of 11421499 is 99412411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11421499 - 2¹¹ = 11419451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11421499.

It is not a weakly prime, because it can be changed into another prime (11421199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5710749 + 5710750.

It is an arithmetic number, because the mean of its divisors is an integer number (5710750).

Almost surely, 2^11421499 is an apocalyptic number.

11421499 is a deficient number, since it is larger than the sum of its proper divisors (1).

11421499 is an equidigital number, since it uses as much as digits as its factorization.

11421499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 31.

The square root of 11421499 is about 3379.5708307417. The cubic root of 11421499 is about 225.2031022060.

The spelling of 11421499 in words is "eleven million, four hundred twenty-one thousand, four hundred ninety-nine".