22545440543311 has 16 divisors (see below), whose sum is σ = 25939832066560. Its totient is φ = 19194542771040.

The previous prime is 22545440543273. The next prime is 22545440543341. The reversal of 22545440543311 is 11334504454522.

It is a happy number.

It is not a de Polignac number, because 22545440543311 - 2⁷ = 22545440543183 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 (22545440543341) 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, 754491 + ... + 6757228.

It is an arithmetic number, because the mean of its divisors is an integer number (1621239504160).

Almost surely, 2^{22545440543311} is an apocalyptic number.

22545440543311 is a deficient number, since it is larger than the sum of its proper divisors (3394391523249).

22545440543311 is a wasteful number, since it uses less digits than its factorization.

22545440543311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7514614.

The product of its (nonzero) digits is 1152000, while the sum is 43.

Adding to 22545440543311 its reverse (11334504454522), we get a palindrome (33879944997833).

The spelling of 22545440543311 in words is "twenty-two trillion, five hundred forty-five billion, four hundred forty million, five hundred forty-three thousand, three hundred eleven".