22545071811 has 12 divisors (see below), whose sum is σ = 33615591360. Its totient is φ = 14545207440.

The previous prime is 22545071741. The next prime is 22545071839. The reversal of 22545071811 is 11817054522.

It is a happy number.

22545071811 is a `hidden beast` number, since 2 + 25 + 450 + 7 + 181 + 1 = 666.

It is not a de Polignac number, because 22545071811 - 2¹⁷ = 22544940739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22545031811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40403076 + ... + 40403633.

It is an arithmetic number, because the mean of its divisors is an integer number (2801299280).

Almost surely, 2^22545071811 is an apocalyptic number.

22545071811 is a deficient number, since it is larger than the sum of its proper divisors (11070519549).

22545071811 is a wasteful number, since it uses less digits than its factorization.

22545071811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80806746 (or 80806743 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The spelling of 22545071811 in words is "twenty-two billion, five hundred forty-five million, seventy-one thousand, eight hundred eleven".