22501044005503 has 16 divisors (see below), whose sum is σ = 25789136532480. Its totient is φ = 19231380526176.

The previous prime is 22501044005483. The next prime is 22501044005519. The reversal of 22501044005503 is 30550044010522.

It is a de Polignac number, because none of the positive numbers 2^k-22501044005503 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 (22501044005543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17965500 + ... + 19177102.

It is an arithmetic number, because the mean of its divisors is an integer number (1611821033280).

Almost surely, 2^{22501044005503} is an apocalyptic number.

22501044005503 is a deficient number, since it is larger than the sum of its proper divisors (3288092526977).

22501044005503 is a wasteful number, since it uses less digits than its factorization.

22501044005503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219206.

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 22501044005503 in words is "twenty-two trillion, five hundred one billion, forty-four million, five thousand, five hundred three".