11873159553 has 4 divisors (see below), whose sum is σ = 15830879408. Its totient is φ = 7915439700.

The previous prime is 11873159531. The next prime is 11873159563. The reversal of 11873159553 is 35595137811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11873159553 - 2¹⁴ = 11873143169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11873159513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1978859923 + ... + 1978859928.

It is an arithmetic number, because the mean of its divisors is an integer number (3957719852).

Almost surely, 2^11873159553 is an apocalyptic number.

It is an amenable number.

11873159553 is a deficient number, since it is larger than the sum of its proper divisors (3957719855).

11873159553 is an equidigital number, since it uses as much as digits as its factorization.

11873159553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3957719854.

The product of its digits is 567000, while the sum is 48.

The spelling of 11873159553 in words is "eleven billion, eight hundred seventy-three million, one hundred fifty-nine thousand, five hundred fifty-three".