11553342511 has 4 divisors (see below), whose sum is σ = 12232950912. Its totient is φ = 10873734112.

The previous prime is 11553342499. The next prime is 11553342523. The reversal of 11553342511 is 11524335511.

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

It is an interprime number because it is at equal distance from previous prime (11553342499) and next prime (11553342523).

It is a cyclic number.

It is not a de Polignac number, because 11553342511 - 2³³ = 2963407919 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 (11553348511) 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, 339804175 + ... + 339804208.

It is an arithmetic number, because the mean of its divisors is an integer number (3058237728).

Almost surely, 2^11553342511 is an apocalyptic number.

11553342511 is a deficient number, since it is larger than the sum of its proper divisors (679608401).

11553342511 is an equidigital number, since it uses as much as digits as its factorization.

11553342511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679608400.

The product of its digits is 9000, while the sum is 31.

The spelling of 11553342511 in words is "eleven billion, five hundred fifty-three million, three hundred forty-two thousand, five hundred eleven".