11140645011 has 4 divisors (see below), whose sum is σ = 14854193352. Its totient is φ = 7427096672.

The previous prime is 11140644979. The next prime is 11140645051. The reversal of 11140645011 is 11054604111.

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 11140645011 - 2⁵ = 11140644979 is a prime.

It is a super-2 number, since 2×11140645011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11140645051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1856774166 + ... + 1856774171.

It is an arithmetic number, because the mean of its divisors is an integer number (3713548338).

Almost surely, 2^11140645011 is an apocalyptic number.

11140645011 is a deficient number, since it is larger than the sum of its proper divisors (3713548341).

11140645011 is an equidigital number, since it uses as much as digits as its factorization.

11140645011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3713548340.

The product of its (nonzero) digits is 480, while the sum is 24.

The spelling of 11140645011 in words is "eleven billion, one hundred forty million, six hundred forty-five thousand, eleven".