194890225311 has 32 divisors (see below), whose sum is σ = 305776350720. Its totient is φ = 122422905792.

The previous prime is 194890225297. The next prime is 194890225363. The reversal of 194890225311 is 113522098491.

194890225311 is a `hidden beast` number, since 1 + 9 + 4 + 8 + 90 + 22 + 531 + 1 = 666.

It is not a de Polignac number, because 194890225311 - 2⁷ = 194890225183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194890225511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2300430 + ... + 2383643.

It is an arithmetic number, because the mean of its divisors is an integer number (9555510960).

Almost surely, 2^194890225311 is an apocalyptic number.

194890225311 is a deficient number, since it is larger than the sum of its proper divisors (110886125409).

194890225311 is a wasteful number, since it uses less digits than its factorization.

194890225311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4684172 (or 4684166 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 194890225311 in words is "one hundred ninety-four billion, eight hundred ninety million, two hundred twenty-five thousand, three hundred eleven".