22451004052555 has 8 divisors (see below), whose sum is σ = 29013605237232. Its totient is φ = 16579202992608.

The previous prime is 22451004052439. The next prime is 22451004052657. The reversal of 22451004052555 is 55525040015422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22451004052555 - 2²³ = 22450995663947 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172700031109 + ... + 172700031238.

It is an arithmetic number, because the mean of its divisors is an integer number (3626700654654).

Almost surely, 2^{22451004052555} is an apocalyptic number.

22451004052555 is a deficient number, since it is larger than the sum of its proper divisors (6562601184677).

22451004052555 is a wasteful number, since it uses less digits than its factorization.

22451004052555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345400062365.

The product of its (nonzero) digits is 400000, while the sum is 40.

Adding to 22451004052555 its reverse (55525040015422), we get a palindrome (77976044067977).

The spelling of 22451004052555 in words is "twenty-two trillion, four hundred fifty-one billion, four million, fifty-two thousand, five hundred fifty-five".