861112954269 has 12 divisors (see below), whose sum is σ = 1244687064192. Its totient is φ = 573679653000.

The previous prime is 861112954267. The next prime is 861112954271. The reversal of 861112954269 is 962459211168.

861112954269 is a `hidden beast` number, since 8 + 6 + 1 + 11 + 29 + 542 + 69 = 666.

It is an interprime number because it is at equal distance from previous prime (861112954267) and next prime (861112954271).

It is not a de Polignac number, because 861112954269 - 2¹ = 861112954267 is a prime.

It is a super-2 number, since 2×861112954269² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (861112954267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32957037 + ... + 32983154.

It is an arithmetic number, because the mean of its divisors is an integer number (103723922016).

Almost surely, 2^861112954269 is an apocalyptic number.

It is an amenable number.

861112954269 is a deficient number, since it is larger than the sum of its proper divisors (383574109923).

861112954269 is a wasteful number, since it uses less digits than its factorization.

861112954269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65941648 (or 65941645 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 54.

The spelling of 861112954269 in words is "eight hundred sixty-one billion, one hundred twelve million, nine hundred fifty-four thousand, two hundred sixty-nine".