11411019551 has 4 divisors (see below), whose sum is σ = 11412466992. Its totient is φ = 11409572112.

The previous prime is 11411019523. The next prime is 11411019553. The reversal of 11411019551 is 15591011411.

11411019551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11411019551 - 2²⁶ = 11343910687 is a prime.

It is a super-3 number, since 3×11411019551³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11411019553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711830 + ... + 727683.

It is an arithmetic number, because the mean of its divisors is an integer number (2853116748).

Almost surely, 2^11411019551 is an apocalyptic number.

11411019551 is a deficient number, since it is larger than the sum of its proper divisors (1447441).

11411019551 is an equidigital number, since it uses as much as digits as its factorization.

11411019551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447440.

The product of its (nonzero) digits is 900, while the sum is 29.

The spelling of 11411019551 in words is "eleven billion, four hundred eleven million, nineteen thousand, five hundred fifty-one".