11922000451 has 2 divisors, whose sum is σ = 11922000452. Its totient is φ = 11922000450.

The previous prime is 11922000449. The next prime is 11922000463. The reversal of 11922000451 is 15400022911.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11922000451 - 2¹ = 11922000449 is a prime.

Together with 11922000449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11922000751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5961000225 + 5961000226.

It is an arithmetic number, because the mean of its divisors is an integer number (5961000226).

Almost surely, 2^11922000451 is an apocalyptic number.

11922000451 is a deficient number, since it is larger than the sum of its proper divisors (1).

11922000451 is an equidigital number, since it uses as much as digits as its factorization.

11922000451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 25.

The spelling of 11922000451 in words is "eleven billion, nine hundred twenty-two million, four hundred fifty-one", and thus it is an aban number.