11143209790 has 32 divisors (see below), whose sum is σ = 20498002560. Its totient is φ = 4359581184.

The previous prime is 11143209767. The next prime is 11143209799. The reversal of 11143209790 is 9790234111.

It is a super-2 number, since 2×11143209790² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11143209799) 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 15 ways as a sum of consecutive naturals, for example, 796294 + ... + 810166.

It is an arithmetic number, because the mean of its divisors is an integer number (640562580).

Almost surely, 2^11143209790 is an apocalyptic number.

11143209790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11143209790 is a deficient number, since it is larger than the sum of its proper divisors (9354792770).

11143209790 is a wasteful number, since it uses less digits than its factorization.

11143209790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15636.

The product of its (nonzero) digits is 13608, while the sum is 37.

The spelling of 11143209790 in words is "eleven billion, one hundred forty-three million, two hundred nine thousand, seven hundred ninety".