11126245640 has 32 divisors (see below), whose sum is σ = 25105815000. Its totient is φ = 4437740544.

The previous prime is 11126245583. The next prime is 11126245649. The reversal of 11126245640 is 4654262111.

It can be written as a sum of positive squares in 4 ways, for example, as 9776858884 + 1349386756 = 98878^2 + 36734^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11126245597 and 11126245606.

It is not an unprimeable number, because it can be changed into a prime (11126245649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384545 + ... + 412464.

Almost surely, 2^11126245640 is an apocalyptic number.

11126245640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11126245640 is an abundant number, since it is smaller than the sum of its proper divisors (13979569360).

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

11126245640 is a wasteful number, since it uses less digits than its factorization.

11126245640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797369 (or 797365 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 11126245640 in words is "eleven billion, one hundred twenty-six million, two hundred forty-five thousand, six hundred forty".