11040611436 has 72 divisors (see below), whose sum is σ = 28828800000. Its totient is φ = 3558975840.

The previous prime is 11040611423. The next prime is 11040611441. The reversal of 11040611436 is 63411604011.

11040611436 is a `hidden beast` number, since 1 + 1 + 0 + 4 + 0 + 611 + 43 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2206065 + ... + 2211063.

It is an arithmetic number, because the mean of its divisors is an integer number (400400000).

Almost surely, 2^11040611436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11040611436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14414400000).

11040611436 is an abundant number, since it is smaller than the sum of its proper divisors (17788188564).

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

11040611436 is a wasteful number, since it uses less digits than its factorization.

11040611436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7019 (or 7014 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The spelling of 11040611436 in words is "eleven billion, forty million, six hundred eleven thousand, four hundred thirty-six".