1141140111 has 16 divisors (see below), whose sum is σ = 1591682400. Its totient is φ = 726268928.

The previous prime is 1141140109. The next prime is 1141140131. The reversal of 1141140111 is 1110411411.

It is a cyclic number.

It is not a de Polignac number, because 1141140111 - 2¹ = 1141140109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141140131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65946 + ... + 81431.

It is an arithmetic number, because the mean of its divisors is an integer number (99480150).

Almost surely, 2^1141140111 is an apocalyptic number.

1141140111 is a deficient number, since it is larger than the sum of its proper divisors (450542289).

1141140111 is a wasteful number, since it uses less digits than its factorization.

1141140111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147498.

The product of its (nonzero) digits is 16, while the sum is 15.

The square root of 1141140111 is about 33780.7653998544. The cubic root of 1141140111 is about 1044.9920593400.

Adding to 1141140111 its reverse (1110411411), we get a palindrome (2251551522).

The spelling of 1141140111 in words is "one billion, one hundred forty-one million, one hundred forty thousand, one hundred eleven".