11420428711 has 16 divisors (see below), whose sum is σ = 11745518400. Its totient is φ = 11099911680.

The previous prime is 11420428709. The next prime is 11420428757. The reversal of 11420428711 is 11782402411.

It is a cyclic number.

It is not a de Polignac number, because 11420428711 - 2¹ = 11420428709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11420428771) 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, 2539581 + ... + 2544073.

It is an arithmetic number, because the mean of its divisors is an integer number (734094900).

Almost surely, 2^11420428711 is an apocalyptic number.

11420428711 is a deficient number, since it is larger than the sum of its proper divisors (325089689).

11420428711 is a wasteful number, since it uses less digits than its factorization.

11420428711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4986.

The product of its (nonzero) digits is 3584, while the sum is 31.

The spelling of 11420428711 in words is "eleven billion, four hundred twenty million, four hundred twenty-eight thousand, seven hundred eleven".