1140471511 has 2 divisors, whose sum is σ = 1140471512. Its totient is φ = 1140471510.

The previous prime is 1140471473. The next prime is 1140471529. The reversal of 1140471511 is 1151740411.

It is a strong prime.

It is an emirp because it is prime and its reverse (1151740411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1140471511 - 2²⁵ = 1106917079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140471011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570235755 + 570235756.

It is an arithmetic number, because the mean of its divisors is an integer number (570235756).

Almost surely, 2^1140471511 is an apocalyptic number.

1140471511 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140471511 is an equidigital number, since it uses as much as digits as its factorization.

1140471511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 1140471511 is about 33770.8677857114. The cubic root of 1140471511 is about 1044.7879306847.

The spelling of 1140471511 in words is "one billion, one hundred forty million, four hundred seventy-one thousand, five hundred eleven".