22505450510399 has 4 divisors (see below), whose sum is σ = 23231432784960. Its totient is φ = 21779468235840.

The previous prime is 22505450510369. The next prime is 22505450510401. The reversal of 22505450510399 is 99301505450522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22505450510399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22505450510359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362991137234 + ... + 362991137295.

It is an arithmetic number, because the mean of its divisors is an integer number (5807858196240).

Almost surely, 2^{22505450510399} is an apocalyptic number.

22505450510399 is a deficient number, since it is larger than the sum of its proper divisors (725982274561).

22505450510399 is an equidigital number, since it uses as much as digits as its factorization.

22505450510399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725982274560.

The product of its (nonzero) digits is 2430000, while the sum is 50.

The spelling of 22505450510399 in words is "twenty-two trillion, five hundred five billion, four hundred fifty million, five hundred ten thousand, three hundred ninety-nine".