1141880911 has 2 divisors, whose sum is σ = 1141880912. Its totient is φ = 1141880910.

The previous prime is 1141880903. The next prime is 1141880921. The reversal of 1141880911 is 1190881411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1141880911 - 2³ = 1141880903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1141880921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570940455 + 570940456.

It is an arithmetic number, because the mean of its divisors is an integer number (570940456).

Almost surely, 2^1141880911 is an apocalyptic number.

1141880911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141880911 is an equidigital number, since it uses as much as digits as its factorization.

1141880911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 34.

The square root of 1141880911 is about 33791.7284405518. The cubic root of 1141880911 is about 1045.2181381113.

It can be divided in two parts, 11418 and 80911, that added together give a palindrome (92329).

The spelling of 1141880911 in words is "one billion, one hundred forty-one million, eight hundred eighty thousand, nine hundred eleven".