22064052512503 has 4 divisors (see below), whose sum is σ = 22374813815568. Its totient is φ = 21753291209440.

The previous prime is 22064052512479. The next prime is 22064052512531. The reversal of 22064052512503 is 30521525046022.

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-22064052512503 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 (22064052512533) 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, 155380651426 + ... + 155380651567.

It is an arithmetic number, because the mean of its divisors is an integer number (5593703453892).

Almost surely, 2^{22064052512503} is an apocalyptic number.

22064052512503 is a deficient number, since it is larger than the sum of its proper divisors (310761303065).

22064052512503 is an equidigital number, since it uses as much as digits as its factorization.

22064052512503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310761303064.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 22064052512503 its reverse (30521525046022), we get a palindrome (52585577558525).

The spelling of 22064052512503 in words is "twenty-two trillion, sixty-four billion, fifty-two million, five hundred twelve thousand, five hundred three".