11896144571 has 8 divisors (see below), whose sum is σ = 12623765760. Its totient is φ = 11186056552.

The previous prime is 11896144541. The next prime is 11896144591. The reversal of 11896144571 is 17544169811.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11896144571 - 2¹⁰ = 11896143547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11896144541) 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, 4381895 + ... + 4384608.

It is an arithmetic number, because the mean of its divisors is an integer number (1577970720).

Almost surely, 2^11896144571 is an apocalyptic number.

11896144571 is a deficient number, since it is larger than the sum of its proper divisors (727621189).

11896144571 is an equidigital number, since it uses as much as digits as its factorization.

11896144571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8766585.

The product of its digits is 241920, while the sum is 47.

The spelling of 11896144571 in words is "eleven billion, eight hundred ninety-six million, one hundred forty-four thousand, five hundred seventy-one".