11550254111 has 8 divisors (see below), whose sum is σ = 12649308624. Its totient is φ = 10459371520.

The previous prime is 11550254101. The next prime is 11550254129. The reversal of 11550254111 is 11145205511.

It is a happy number.

11550254111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11550254111 - 2¹⁸ = 11549991967 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 (11550254101) 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 7 ways as a sum of consecutive naturals, for example, 2040020 + ... + 2045673.

It is an arithmetic number, because the mean of its divisors is an integer number (1581163578).

Almost surely, 2^11550254111 is an apocalyptic number.

11550254111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11550254111 is a deficient number, since it is larger than the sum of its proper divisors (1099054513).

11550254111 is a wasteful number, since it uses less digits than its factorization.

11550254111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4085961.

The product of its (nonzero) digits is 1000, while the sum is 26.

Adding to 11550254111 its reverse (11145205511), we get a palindrome (22695459622).

The spelling of 11550254111 in words is "eleven billion, five hundred fifty million, two hundred fifty-four thousand, one hundred eleven".