1405345011 has 16 divisors (see below), whose sum is σ = 2234586624. Its totient is φ = 768138624.

The previous prime is 1405345003. The next prime is 1405345031. The reversal of 1405345011 is 1105435041.

It is a happy number.

It is not a de Polignac number, because 1405345011 - 2³ = 1405345003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1405345031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1454326 + ... + 1455291.

It is an arithmetic number, because the mean of its divisors is an integer number (139661664).

Almost surely, 2^1405345011 is an apocalyptic number.

1405345011 is a deficient number, since it is larger than the sum of its proper divisors (829241613).

1405345011 is a wasteful number, since it uses less digits than its factorization.

1405345011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2909650.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1405345011 is about 37487.9315380297. The cubic root of 1405345011 is about 1120.1108019100.

The spelling of 1405345011 in words is "one billion, four hundred five million, three hundred forty-five thousand, eleven".