11112107887 has 2 divisors, whose sum is σ = 11112107888. Its totient is φ = 11112107886.

The previous prime is 11112107873. The next prime is 11112107899. The reversal of 11112107887 is 78870121111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11112107887 - 2¹⁹ = 11111583599 is a prime.

It is a super-3 number, since 3×11112107887³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11112105887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556053943 + 5556053944.

It is an arithmetic number, because the mean of its divisors is an integer number (5556053944).

Almost surely, 2^11112107887 is an apocalyptic number.

11112107887 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112107887 is an equidigital number, since it uses as much as digits as its factorization.

11112107887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6272, while the sum is 37.

Adding to 11112107887 its reverse (78870121111), we get a palindrome (89982228998).

The spelling of 11112107887 in words is "eleven billion, one hundred twelve million, one hundred seven thousand, eight hundred eighty-seven".