815274045011 has 16 divisors (see below), whose sum is σ = 823220506368. Its totient is φ = 807364572000.

The previous prime is 815274044983. The next prime is 815274045031. The reversal of 815274045011 is 110540472518.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-815274045011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (815274045031) 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 15 ways as a sum of consecutive naturals, for example, 82006301 + ... + 82016241.

It is an arithmetic number, because the mean of its divisors is an integer number (51451281648).

Almost surely, 2^815274045011 is an apocalyptic number.

815274045011 is a deficient number, since it is larger than the sum of its proper divisors (7946461357).

815274045011 is a wasteful number, since it uses less digits than its factorization.

815274045011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11722.

The product of its (nonzero) digits is 44800, while the sum is 38.

The spelling of 815274045011 in words is "eight hundred fifteen billion, two hundred seventy-four million, forty-five thousand, eleven".