11474520023809 has 4 divisors (see below), whose sum is σ = 11504017504980. Its totient is φ = 11445022542640.

The previous prime is 11474520023731. The next prime is 11474520023903. The reversal of 11474520023809 is 90832002547411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3146909246209 + 8327610777600 = 1773953^2 + 2885760^2 .

It is a cyclic number.

It is not a de Polignac number, because 11474520023809 - 2¹⁵ = 11474519991041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11474520023009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14748740002 + ... + 14748740779.

It is an arithmetic number, because the mean of its divisors is an integer number (2876004376245).

Almost surely, 2^{11474520023809} is an apocalyptic number.

It is an amenable number.

11474520023809 is a deficient number, since it is larger than the sum of its proper divisors (29497481171).

11474520023809 is an equidigital number, since it uses as much as digits as its factorization.

11474520023809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29497481170.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 11474520023809 in words is "eleven trillion, four hundred seventy-four billion, five hundred twenty million, twenty-three thousand, eight hundred nine".