11420606916 has 36 divisors (see below), whose sum is σ = 29154594924. Its totient is φ = 3769176000.

The previous prime is 11420606891. The next prime is 11420606917. The reversal of 11420606916 is 61960602411.

11420606916 is a `hidden beast` number, since 1 + 1 + 42 + 0 + 606 + 9 + 1 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9119486016 + 2301120900 = 95496^2 + 47970^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (11420606917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1566855 + ... + 1574126.

It is an arithmetic number, because the mean of its divisors is an integer number (809849859).

Almost surely, 2^11420606916 is an apocalyptic number.

It is an amenable number.

11420606916 is an abundant number, since it is smaller than the sum of its proper divisors (17733988008).

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

11420606916 is a wasteful number, since it uses less digits than its factorization.

11420606916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3141092 (or 3141087 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 11420606916 in words is "eleven billion, four hundred twenty million, six hundred six thousand, nine hundred sixteen".