11245626018 has 72 divisors (see below), whose sum is σ = 26806934700. Its totient is φ = 3404586240.

The previous prime is 11245625981. The next prime is 11245626053. The reversal of 11245626018 is 81062654211.

It is a happy number.

11245626018 is a `hidden beast` number, since 1 + 1 + 2 + 45 + 6 + 2 + 601 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9925539129 + 1320086889 = 99627^2 + 36333^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3502798 + ... + 3506006.

Almost surely, 2^11245626018 is an apocalyptic number.

11245626018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11245626018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13403467350).

11245626018 is an abundant number, since it is smaller than the sum of its proper divisors (15561308682).

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

11245626018 is a wasteful number, since it uses less digits than its factorization.

11245626018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4848 (or 4834 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 11245626018 in words is "eleven billion, two hundred forty-five million, six hundred twenty-six thousand, eighteen".