1161132650043 has 4 divisors (see below), whose sum is σ = 1548176866728. Its totient is φ = 774088433360.

The previous prime is 1161132650039. The next prime is 1161132650053. The reversal of 1161132650043 is 3400562311611.

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 1161132650043 - 2² = 1161132650039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1161132649986 and 1161132650013.

It is not an unprimeable number, because it can be changed into a prime (1161132650033) 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, 193522108338 + ... + 193522108343.

It is an arithmetic number, because the mean of its divisors is an integer number (387044216682).

Almost surely, 2^{1161132650043} is an apocalyptic number.

1161132650043 is a deficient number, since it is larger than the sum of its proper divisors (387044216685).

1161132650043 is an equidigital number, since it uses as much as digits as its factorization.

1161132650043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387044216684.

The product of its (nonzero) digits is 12960, while the sum is 33.

Adding to 1161132650043 its reverse (3400562311611), we get a palindrome (4561694961654).

The spelling of 1161132650043 in words is "one trillion, one hundred sixty-one billion, one hundred thirty-two million, six hundred fifty thousand, forty-three".