11119828787 has 8 divisors (see below), whose sum is σ = 11161550400. Its totient is φ = 11078169984.

The previous prime is 11119828763. The next prime is 11119828799. The reversal of 11119828787 is 78782891111.

It is a happy number.

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 11119828787 - 2¹² = 11119824691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11119821787) 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, 355289 + ... + 385317.

It is an arithmetic number, because the mean of its divisors is an integer number (1395193800).

Almost surely, 2^11119828787 is an apocalyptic number.

11119828787 is a deficient number, since it is larger than the sum of its proper divisors (41721613).

11119828787 is a wasteful number, since it uses less digits than its factorization.

11119828787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31405.

The product of its digits is 451584, while the sum is 53.

The spelling of 11119828787 in words is "eleven billion, one hundred nineteen million, eight hundred twenty-eight thousand, seven hundred eighty-seven".