22066565115123 has 64 divisors (see below), whose sum is σ = 34451412480000. Its totient is φ = 13939874807040.

The previous prime is 22066565115121. The next prime is 22066565115131. The reversal of 22066565115123 is 32151156566022.

22066565115123 is a `hidden beast` number, since 2 + 2 + 0 + 6 + 6 + 5 + 6 + 511 + 5 + 123 = 666.

It is not a de Polignac number, because 22066565115123 - 2¹ = 22066565115121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22066565115121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21637711 + ... + 22634567.

It is an arithmetic number, because the mean of its divisors is an integer number (538303320000).

Almost surely, 2^{22066565115123} is an apocalyptic number.

22066565115123 is a deficient number, since it is larger than the sum of its proper divisors (12384847364877).

22066565115123 is a wasteful number, since it uses less digits than its factorization.

22066565115123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997449 (or 997443 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 22066565115123 in words is "twenty-two trillion, sixty-six billion, five hundred sixty-five million, one hundred fifteen thousand, one hundred twenty-three".