1190851661383 has 4 divisors (see below), whose sum is σ = 1190993623720. Its totient is φ = 1190709699048.

The previous prime is 1190851661371. The next prime is 1190851661387. The reversal of 1190851661383 is 3831661580911.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1190851661383 is a prime.

It is the 1091262-nd Hogben number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1190851661383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1190851661387) by changing a digit.

It is a nontrivial repunit in base 1091261.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70968585 + ... + 70985362.

It is an arithmetic number, because the mean of its divisors is an integer number (297748405930).

Almost surely, 2^{1190851661383} is an apocalyptic number.

1190851661383 is a deficient number, since it is larger than the sum of its proper divisors (141962337).

1190851661383 is an equidigital number, since it uses as much as digits as its factorization.

1190851661383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141962336.

The product of its (nonzero) digits is 933120, while the sum is 52.

The spelling of 1190851661383 in words is "one trillion, one hundred ninety billion, eight hundred fifty-one million, six hundred sixty-one thousand, three hundred eighty-three".