11135177990 has 32 divisors (see below), whose sum is σ = 21906941184. Its totient is φ = 4056837120.

The previous prime is 11135177983. The next prime is 11135178049. The reversal of 11135177990 is 9977153111.

11135177990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1051199 + ... + 1061738.

It is an arithmetic number, because the mean of its divisors is an integer number (684591912).

Almost surely, 2^11135177990 is an apocalyptic number.

11135177990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11135177990 is a deficient number, since it is larger than the sum of its proper divisors (10771763194).

11135177990 is a wasteful number, since it uses less digits than its factorization.

11135177990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112992.

The product of its (nonzero) digits is 59535, while the sum is 44.

The spelling of 11135177990 in words is "eleven billion, one hundred thirty-five million, one hundred seventy-seven thousand, nine hundred ninety".