11681066852450 has 48 divisors (see below), whose sum is σ = 21985106863104. Its totient is φ = 4617166680000.

The previous prime is 11681066852407. The next prime is 11681066852459. The reversal of 11681066852450 is 5425866018611.

It is a super-2 number, since 2×11681066852450² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11681066852392 and 11681066852401.

It is not an unprimeable number, because it can be changed into a prime (11681066852459) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2070569 + ... + 5258268.

It is an arithmetic number, because the mean of its divisors is an integer number (458023059648).

Almost surely, 2^{11681066852450} is an apocalyptic number.

11681066852450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11681066852450 is a deficient number, since it is larger than the sum of its proper divisors (10304040010654).

11681066852450 is a wasteful number, since it uses less digits than its factorization.

11681066852450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7329227 (or 7329222 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 53.

The spelling of 11681066852450 in words is "eleven trillion, six hundred eighty-one billion, sixty-six million, eight hundred fifty-two thousand, four hundred fifty".