11228777751 has 8 divisors (see below), whose sum is σ = 14972203120. Its totient is φ = 7485602112.

The previous prime is 11228777731. The next prime is 11228777761. The reversal of 11228777751 is 15777782211.

11228777751 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 not a de Polignac number, because 11228777751 - 2¹⁵ = 11228744983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11228777751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11228777731) 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, 112545 + ... + 187413.

It is an arithmetic number, because the mean of its divisors is an integer number (1871525390).

Almost surely, 2^11228777751 is an apocalyptic number.

11228777751 is a deficient number, since it is larger than the sum of its proper divisors (3743425369).

11228777751 is an equidigital number, since it uses as much as digits as its factorization.

11228777751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124865.

The product of its digits is 384160, while the sum is 48.

The spelling of 11228777751 in words is "eleven billion, two hundred twenty-eight million, seven hundred seventy-seven thousand, seven hundred fifty-one".