12011486011 has 4 divisors (see below), whose sum is σ = 13727412592. Its totient is φ = 10295559432.

The previous prime is 12011485999. The next prime is 12011486057. The reversal of 12011486011 is 11068411021.

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 12011486011 - 2⁵ = 12011485979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011486411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857963280 + ... + 857963293.

It is an arithmetic number, because the mean of its divisors is an integer number (3431853148).

Almost surely, 2^12011486011 is an apocalyptic number.

12011486011 is a deficient number, since it is larger than the sum of its proper divisors (1715926581).

12011486011 is an equidigital number, since it uses as much as digits as its factorization.

12011486011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715926580.

The product of its (nonzero) digits is 384, while the sum is 25.

Adding to 12011486011 its reverse (11068411021), we get a palindrome (23079897032).

The spelling of 12011486011 in words is "twelve billion, eleven million, four hundred eighty-six thousand, eleven".