11111300551 has 8 divisors (see below), whose sum is σ = 11966834880. Its totient is φ = 10255883232.

The previous prime is 11111300507. The next prime is 11111300573. The reversal of 11111300551 is 15500311111.

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 11111300551 - 2⁷ = 11111300423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111300591) 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 7 ways as a sum of consecutive naturals, for example, 355005 + ... + 385033.

It is an arithmetic number, because the mean of its divisors is an integer number (1495854360).

Almost surely, 2^11111300551 is an apocalyptic number.

11111300551 is a deficient number, since it is larger than the sum of its proper divisors (855534329).

11111300551 is a wasteful number, since it uses less digits than its factorization.

11111300551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58505.

The product of its (nonzero) digits is 75, while the sum is 19.

Adding to 11111300551 its reverse (15500311111), we get a palindrome (26611611662).

The spelling of 11111300551 in words is "eleven billion, one hundred eleven million, three hundred thousand, five hundred fifty-one".