1141941691 has 4 divisors (see below), whose sum is σ = 1245754584. Its totient is φ = 1038128800.

The previous prime is 1141941683. The next prime is 1141941719. The reversal of 1141941691 is 1961491411.

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 1141941691 - 2³ = 1141941683 is a prime.

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 1141941691.

It is not an unprimeable number, because it can be changed into a prime (1141941631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51906430 + ... + 51906451.

It is an arithmetic number, because the mean of its divisors is an integer number (311438646).

Almost surely, 2^1141941691 is an apocalyptic number.

1141941691 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1141941691 is a deficient number, since it is larger than the sum of its proper divisors (103812893).

1141941691 is a wasteful number, since it uses less digits than its factorization.

1141941691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103812892.

The product of its digits is 7776, while the sum is 37.

The square root of 1141941691 is about 33792.6277610961. The cubic root of 1141941691 is about 1045.2366827280.

The spelling of 1141941691 in words is "one billion, one hundred forty-one million, nine hundred forty-one thousand, six hundred ninety-one".