1194163442253 has 192 divisors, whose sum is σ = 1990264995840. Its totient is φ = 706467484800.

The previous prime is 1194163442231. The next prime is 1194163442267. The reversal of 1194163442253 is 3522443614911.

It is a happy number.

1194163442253 is a `hidden beast` number, since 1 + 1 + 9 + 4 + 1 + 634 + 4 + 2 + 2 + 5 + 3 = 666.

It is not a de Polignac number, because 1194163442253 - 2⁶ = 1194163442189 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1194163442199 and 1194163442208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1194163442653) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1234915176 + ... + 1234916142.

It is an arithmetic number, because the mean of its divisors is an integer number (10365963520).

Almost surely, 2^{1194163442253} is an apocalyptic number.

It is an amenable number.

1194163442253 is a deficient number, since it is larger than the sum of its proper divisors (796101553587).

1194163442253 is a wasteful number, since it uses less digits than its factorization.

1194163442253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173 (or 1148 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The spelling of 1194163442253 in words is "one trillion, one hundred ninety-four billion, one hundred sixty-three million, four hundred forty-two thousand, two hundred fifty-three".