11782306290 has 32 divisors (see below), whose sum is σ = 28280689920. Its totient is φ = 3141597824.

The previous prime is 11782306279. The next prime is 11782306357. The reversal of 11782306290 is 9260328711.

It is a super-2 number, since 2×11782306290² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361447 + ... + 392693.

It is an arithmetic number, because the mean of its divisors is an integer number (883771560).

Almost surely, 2^11782306290 is an apocalyptic number.

11782306290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11782306290 is an abundant number, since it is smaller than the sum of its proper divisors (16498383630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11782306290 is a wasteful number, since it uses less digits than its factorization.

11782306290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43826.

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 11782306290 in words is "eleven billion, seven hundred eighty-two million, three hundred six thousand, two hundred ninety".