11169291290 has 16 divisors (see below), whose sum is σ = 20151163368. Its totient is φ = 4457396736.

The previous prime is 11169291283. The next prime is 11169291307. The reversal of 11169291290 is 9219296111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6857661721 + 4311629569 = 82811^2 + 65663^2 .

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, 1285427 + ... + 1294086.

Almost surely, 2^11169291290 is an apocalyptic number.

11169291290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11169291290 is a deficient number, since it is larger than the sum of its proper divisors (8981872078).

11169291290 is a wasteful number, since it uses less digits than its factorization.

11169291290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2579953.

The product of its (nonzero) digits is 17496, while the sum is 41.

The spelling of 11169291290 in words is "eleven billion, one hundred sixty-nine million, two hundred ninety-one thousand, two hundred ninety".