1140249911 has 2 divisors, whose sum is σ = 1140249912. Its totient is φ = 1140249910.

The previous prime is 1140249899. The next prime is 1140249917. The reversal of 1140249911 is 1199420411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1140249911 - 2¹⁴ = 1140233527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140249917) 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, 570124955 + 570124956.

It is an arithmetic number, because the mean of its divisors is an integer number (570124956).

Almost surely, 2^1140249911 is an apocalyptic number.

1140249911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140249911 is an equidigital number, since it uses as much as digits as its factorization.

1140249911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 1140249911 is about 33767.5866919743. The cubic root of 1140249911 is about 1044.7202569199.

The spelling of 1140249911 in words is "one billion, one hundred forty million, two hundred forty-nine thousand, nine hundred eleven".