22053641452565 has 16 divisors (see below), whose sum is σ = 27110008542960. Its totient is φ = 17212492577280.

The previous prime is 22053641452559. The next prime is 22053641452567. The reversal of 22053641452565 is 56525414635022.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 9688670951569 + 12364970500996 = 3112663^2 + 3516386^2 .

It is not a de Polignac number, because 22053641452565 - 2³⁰ = 22052567710741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22053641452567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59862707 + ... + 60229983.

It is an arithmetic number, because the mean of its divisors is an integer number (1694375533935).

Almost surely, 2^{22053641452565} is an apocalyptic number.

It is an amenable number.

22053641452565 is a deficient number, since it is larger than the sum of its proper divisors (5056367090395).

22053641452565 is a wasteful number, since it uses less digits than its factorization.

22053641452565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660232.

The product of its (nonzero) digits is 8640000, while the sum is 50.

The spelling of 22053641452565 in words is "twenty-two trillion, fifty-three billion, six hundred forty-one million, four hundred fifty-two thousand, five hundred sixty-five".