1141688011 has 4 divisors (see below), whose sum is σ = 1142902224. Its totient is φ = 1140473800.

The previous prime is 1141688003. The next prime is 1141688027. The reversal of 1141688011 is 1108861411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1141688011 - 2³ = 1141688003 is a prime.

It is a super-2 number, since 2×1141688011² = 2606903028922272242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141688081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605695 + ... + 607576.

It is an arithmetic number, because the mean of its divisors is an integer number (285725556).

Almost surely, 2^1141688011 is an apocalyptic number.

1141688011 is a deficient number, since it is larger than the sum of its proper divisors (1214213).

1141688011 is an equidigital number, since it uses as much as digits as its factorization.

1141688011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214212.

The product of its (nonzero) digits is 1536, while the sum is 31.

The square root of 1141688011 is about 33788.8740712087. The cubic root of 1141688011 is about 1045.1592779355.

The spelling of 1141688011 in words is "one billion, one hundred forty-one million, six hundred eighty-eight thousand, eleven".