13540022011 has 8 divisors (see below), whose sum is σ = 14358801744.
Its totient is φ = 12723720960.
The previous prime is 13540021991. The next prime is 13540022021. The reversal of 13540022011 is 11022004531.
Adding to 13540022011 its reverse (11022004531), we get a palindrome (24562026542).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13540022011 - 211 = 13540019963 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13540022011.
It is not an unprimeable number, because it can be changed into a prime (13540022021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608410 + ... + 630271.
It is an arithmetic number, because the mean of its divisors is an integer number (1794850218).
Almost surely, 213540022011 is an apocalyptic number.
13540022011 is a deficient number, since it is larger than the sum of its proper divisors (818779733).
13540022011 is a wasteful number, since it uses less digits than its factorization.
13540022011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1239341.
The product of its (nonzero) digits is 240, while the sum is 19.
The spelling of 13540022011 in words is "thirteen billion, five hundred forty million, twenty-two thousand, eleven".