22145415503 has 2 divisors, whose sum is σ = 22145415504. Its totient is φ = 22145415502.

The previous prime is 22145415499. The next prime is 22145415521. The reversal of 22145415503 is 30551454122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22145415503 - 2² = 22145415499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22145415503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22145415583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11072707751 + 11072707752.

It is an arithmetic number, because the mean of its divisors is an integer number (11072707752).

Almost surely, 2^22145415503 is an apocalyptic number.

22145415503 is a deficient number, since it is larger than the sum of its proper divisors (1).

22145415503 is an equidigital number, since it uses as much as digits as its factorization.

22145415503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 22145415503 its reverse (30551454122), we get a palindrome (52696869625).

The spelling of 22145415503 in words is "twenty-two billion, one hundred forty-five million, four hundred fifteen thousand, five hundred three".