1405055111140 has 24 divisors (see below), whose sum is σ = 2950774549632. Its totient is φ = 561991793760.

The previous prime is 1405055111129. The next prime is 1405055111143. The reversal of 1405055111140 is 411115505041.

It is a junction number, because it is equal to n+sod(n) for n = 1405055111099 and 1405055111108.

It is not an unprimeable number, because it can be changed into a prime (1405055111143) 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, 1507914 + ... + 2254753.

It is an arithmetic number, because the mean of its divisors is an integer number (122948939568).

Almost surely, 2^{1405055111140} is an apocalyptic number.

1405055111140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1405055111140 is an abundant number, since it is smaller than the sum of its proper divisors (1545719438492).

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

1405055111140 is a wasteful number, since it uses less digits than its factorization.

1405055111140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3781347 (or 3781345 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 28.

The spelling of 1405055111140 in words is "one trillion, four hundred five billion, fifty-five million, one hundred eleven thousand, one hundred forty".