11228944512290 has 8 divisors (see below), whose sum is σ = 20212100122140. Its totient is φ = 4491577804912.

The previous prime is 11228944512287. The next prime is 11228944512391. The reversal of 11228944512290 is 9221544982211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9710521701241 + 1518422811049 = 3116171^2 + 1232243^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11228944512290² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561447225605 + ... + 561447225624.

Almost surely, 2^{11228944512290} is an apocalyptic number.

11228944512290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11228944512290 is a deficient number, since it is larger than the sum of its proper divisors (8983155609850).

11228944512290 is a wasteful number, since it uses less digits than its factorization.

11228944512290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122894451236.

The product of its (nonzero) digits is 829440, while the sum is 50.

The spelling of 11228944512290 in words is "eleven trillion, two hundred twenty-eight billion, nine hundred forty-four million, five hundred twelve thousand, two hundred ninety".