11719659290 has 16 divisors (see below), whose sum is σ = 21288924360. Its totient is φ = 4644855360.

The previous prime is 11719659271. The next prime is 11719659293. The reversal of 11719659290 is 9295691711.

It can be written as a sum of positive squares in 4 ways, for example, as 9702841009 + 2016818281 = 98503^2 + 44909^2 .

It is not an unprimeable number, because it can be changed into a prime (11719659293) 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 7 ways as a sum of consecutive naturals, for example, 5374901 + ... + 5377080.

Almost surely, 2^11719659290 is an apocalyptic number.

11719659290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11719659290 is a deficient number, since it is larger than the sum of its proper divisors (9569265070).

11719659290 is a wasteful number, since it uses less digits than its factorization.

11719659290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10752097.

The product of its (nonzero) digits is 306180, while the sum is 50.

The spelling of 11719659290 in words is "eleven billion, seven hundred nineteen million, six hundred fifty-nine thousand, two hundred ninety".