2265585849999 has 20 divisors (see below), whose sum is σ = 3386088657864. Its totient is φ = 1509634129104.

The previous prime is 2265585849991. The next prime is 2265585850061. The reversal of 2265585849999 is 9999485855622.

2265585849999 is a `hidden beast` number, since 2 + 2 + 6 + 558 + 58 + 4 + 9 + 9 + 9 + 9 = 666.

It is not a de Polignac number, because 2265585849999 - 2³ = 2265585849991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265585849991) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6841297 + ... + 7164810.

Almost surely, 2^{2265585849999} is an apocalyptic number.

2265585849999 is a deficient number, since it is larger than the sum of its proper divisors (1120502807865).

2265585849999 is a wasteful number, since it uses less digits than its factorization.

2265585849999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14008116 (or 14008107 counting only the distinct ones).

The product of its digits is 5038848000, while the sum is 81.

The spelling of 2265585849999 in words is "two trillion, two hundred sixty-five billion, five hundred eighty-five million, eight hundred forty-nine thousand, nine hundred ninety-nine".