1161246330143 has 4 divisors (see below), whose sum is σ = 1189569411408. Its totient is φ = 1132923248880.

The previous prime is 1161246330137. The next prime is 1161246330197. The reversal of 1161246330143 is 3410336421611.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1161246330143 - 2¹⁰ = 1161246329119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161246335143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14161540571 + ... + 14161540652.

It is an arithmetic number, because the mean of its divisors is an integer number (297392352852).

Almost surely, 2^{1161246330143} is an apocalyptic number.

1161246330143 is a deficient number, since it is larger than the sum of its proper divisors (28323081265).

1161246330143 is an equidigital number, since it uses as much as digits as its factorization.

1161246330143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28323081264.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 1161246330143 in words is "one trillion, one hundred sixty-one billion, two hundred forty-six million, three hundred thirty thousand, one hundred forty-three".