22545403305155 has 16 divisors (see below), whose sum is σ = 27204567446784. Its totient is φ = 17936271469440.

The previous prime is 22545403305149. The next prime is 22545403305181. The reversal of 22545403305155 is 55150330454522.

It is not a de Polignac number, because 22545403305155 - 2²⁰ = 22545402256579 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43869614 + ... + 44380556.

It is an arithmetic number, because the mean of its divisors is an integer number (1700285465424).

Almost surely, 2^{22545403305155} is an apocalyptic number.

22545403305155 is a deficient number, since it is larger than the sum of its proper divisors (4659164141629).

22545403305155 is a wasteful number, since it uses less digits than its factorization.

22545403305155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559886.

The product of its (nonzero) digits is 1800000, while the sum is 44.

Adding to 22545403305155 its reverse (55150330454522), we get a palindrome (77695733759677).

The spelling of 22545403305155 in words is "twenty-two trillion, five hundred forty-five billion, four hundred three million, three hundred five thousand, one hundred fifty-five".