11554425791 has 4 divisors (see below), whose sum is σ = 11555773752. Its totient is φ = 11553077832.

The previous prime is 11554425781. The next prime is 11554425821. The reversal of 11554425791 is 19752445511.

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

It is a cyclic number.

It is not a de Polignac number, because 11554425791 - 2¹⁴ = 11554409407 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 (11554425781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 661040 + ... + 678293.

It is an arithmetic number, because the mean of its divisors is an integer number (2888943438).

Almost surely, 2^11554425791 is an apocalyptic number.

11554425791 is a deficient number, since it is larger than the sum of its proper divisors (1347961).

11554425791 is an equidigital number, since it uses as much as digits as its factorization.

11554425791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347960.

The product of its digits is 252000, while the sum is 44.

The spelling of 11554425791 in words is "eleven billion, five hundred fifty-four million, four hundred twenty-five thousand, seven hundred ninety-one".