11819407573 has 8 divisors (see below), whose sum is σ = 12550125528. Its totient is φ = 11092629504.

The previous prime is 11819407547. The next prime is 11819407651. The reversal of 11819407573 is 37570491811.

It can be written as a sum of positive squares in 4 ways, for example, as 6566347089 + 5253060484 = 81033^2 + 72478^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11819407573 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 (11819407073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 978786 + ... + 990787.

It is an arithmetic number, because the mean of its divisors is an integer number (1568765691).

Almost surely, 2^11819407573 is an apocalyptic number.

It is an amenable number.

11819407573 is a deficient number, since it is larger than the sum of its proper divisors (730717955).

11819407573 is a wasteful number, since it uses less digits than its factorization.

11819407573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969943.

The product of its (nonzero) digits is 211680, while the sum is 46.

The spelling of 11819407573 in words is "eleven billion, eight hundred nineteen million, four hundred seven thousand, five hundred seventy-three".