1405255211155 has 16 divisors (see below), whose sum is σ = 1705394615040. Its totient is φ = 1111480685568.

The previous prime is 1405255211123. The next prime is 1405255211167. The reversal of 1405255211155 is 5511125525041.

It is a cyclic number.

It is not a de Polignac number, because 1405255211155 - 2⁵ = 1405255211123 is a prime.

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, 5528539 + ... + 5777131.

It is an arithmetic number, because the mean of its divisors is an integer number (106587163440).

Almost surely, 2^{1405255211155} is an apocalyptic number.

1405255211155 is a deficient number, since it is larger than the sum of its proper divisors (300139403885).

1405255211155 is a wasteful number, since it uses less digits than its factorization.

1405255211155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261390.

The product of its (nonzero) digits is 50000, while the sum is 37.

The spelling of 1405255211155 in words is "one trillion, four hundred five billion, two hundred fifty-five million, two hundred eleven thousand, one hundred fifty-five".