11640421442062 has 32 divisors (see below), whose sum is σ = 20188104465600. Its totient is φ = 4930527326208.

The previous prime is 11640421442051. The next prime is 11640421442171. The reversal of 11640421442062 is 26024412404611.

It is a super-2 number, since 2×11640421442062² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 777114 + ... + 4887202.

It is an arithmetic number, because the mean of its divisors is an integer number (630878264550).

Almost surely, 2^{11640421442062} is an apocalyptic number.

11640421442062 is a deficient number, since it is larger than the sum of its proper divisors (8547683023538).

11640421442062 is a wasteful number, since it uses less digits than its factorization.

11640421442062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4112460.

The product of its (nonzero) digits is 73728, while the sum is 37.

Adding to 11640421442062 its reverse (26024412404611), we get a palindrome (37664833846673).

The spelling of 11640421442062 in words is "eleven trillion, six hundred forty billion, four hundred twenty-one million, four hundred forty-two thousand, sixty-two".