1811406388060 has 24 divisors (see below), whose sum is σ = 3875726123136. Its totient is φ = 710891563200.

The previous prime is 1811406388037. The next prime is 1811406388067. The reversal of 1811406388060 is 608836041181.

It is a self number, because there is not a number n which added to its sum of digits gives 1811406388060.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1811406388067) 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 7 ways as a sum of consecutive naturals, for example, 854435916 + ... + 854438035.

It is an arithmetic number, because the mean of its divisors is an integer number (161488588464).

Almost surely, 2^{1811406388060} is an apocalyptic number.

1811406388060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1811406388060 is an abundant number, since it is smaller than the sum of its proper divisors (2064319735076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1811406388060 is a wasteful number, since it uses less digits than its factorization.

1811406388060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708874013 (or 1708874011 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 46.

The spelling of 1811406388060 in words is "one trillion, eight hundred eleven billion, four hundred six million, three hundred eighty-eight thousand, sixty".