22502552105015 has 4 divisors (see below), whose sum is σ = 27003062526024. Its totient is φ = 18002041684008.

The previous prime is 22502552105009. The next prime is 22502552105017. The reversal of 22502552105015 is 51050125520522.

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-22502552105015 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 (22502552105017) 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, 2250255210497 + ... + 2250255210506.

It is an arithmetic number, because the mean of its divisors is an integer number (6750765631506).

Almost surely, 2^{22502552105015} is an apocalyptic number.

22502552105015 is a deficient number, since it is larger than the sum of its proper divisors (4500510421009).

22502552105015 is an equidigital number, since it uses as much as digits as its factorization.

22502552105015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4500510421008.

The product of its (nonzero) digits is 50000, while the sum is 35.

Adding to 22502552105015 its reverse (51050125520522), we get a palindrome (73552677625537).

The spelling of 22502552105015 in words is "twenty-two trillion, five hundred two billion, five hundred fifty-two million, one hundred five thousand, fifteen".