11227508990 has 16 divisors (see below), whose sum is σ = 20639506752. Its totient is φ = 4395450144.

The previous prime is 11227508983. The next prime is 11227509001. The reversal of 11227508990 is 9980572211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 11943689 + ... + 11944628.

It is an arithmetic number, because the mean of its divisors is an integer number (1289969172).

Almost surely, 2^11227508990 is an apocalyptic number.

11227508990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11227508990 is a deficient number, since it is larger than the sum of its proper divisors (9411997762).

11227508990 is a wasteful number, since it uses less digits than its factorization.

11227508990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23888371.

The product of its (nonzero) digits is 90720, while the sum is 44.

The spelling of 11227508990 in words is "eleven billion, two hundred twenty-seven million, five hundred eight thousand, nine hundred ninety".