11128090639 has 16 divisors (see below), whose sum is σ = 12429780480. Its totient is φ = 9900696960.

The previous prime is 11128090609. The next prime is 11128090681. The reversal of 11128090639 is 93609082111.

It is a cyclic number.

It is not a de Polignac number, because 11128090639 - 2¹¹ = 11128088591 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 (11128090609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112344 + ... + 186754.

It is an arithmetic number, because the mean of its divisors is an integer number (776861280).

Almost surely, 2^11128090639 is an apocalyptic number.

11128090639 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11128090639 is a deficient number, since it is larger than the sum of its proper divisors (1301689841).

11128090639 is a wasteful number, since it uses less digits than its factorization.

11128090639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74910.

The product of its (nonzero) digits is 23328, while the sum is 40.

The spelling of 11128090639 in words is "eleven billion, one hundred twenty-eight million, ninety thousand, six hundred thirty-nine".