140111611 has 2 divisors, whose sum is σ = 140111612. Its totient is φ = 140111610.

The previous prime is 140111593. The next prime is 140111623. The reversal of 140111611 is 116111041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140111611 - 2¹⁷ = 139980539 is a prime.

It is not a weakly prime, because it can be changed into another prime (140111641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70055805 + 70055806.

It is an arithmetic number, because the mean of its divisors is an integer number (70055806).

Almost surely, 2^140111611 is an apocalyptic number.

140111611 is a deficient number, since it is larger than the sum of its proper divisors (1).

140111611 is an equidigital number, since it uses as much as digits as its factorization.

140111611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 16.

The square root of 140111611 is about 11836.8750521411. The cubic root of 140111611 is about 519.3873591185.

Adding to 140111611 its reverse (116111041), we get a palindrome (256222652).

The spelling of 140111611 in words is "one hundred forty million, one hundred eleven thousand, six hundred eleven".