11211366040 has 64 divisors (see below), whose sum is σ = 30525076800. Its totient is φ = 3617783808.

The previous prime is 11211366013. The next prime is 11211366053. The reversal of 11211366040 is 4066311211.

It is a junction number, because it is equal to n+sod(n) for n = 11211365996 and 11211366014.

It is a congruent 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, 1172905 + ... + 1182424.

It is an arithmetic number, because the mean of its divisors is an integer number (476954325).

Almost surely, 2^11211366040 is an apocalyptic number.

11211366040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11211366040 is an abundant number, since it is smaller than the sum of its proper divisors (19313710760).

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

11211366040 is a wasteful number, since it uses less digits than its factorization.

11211366040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355364 (or 2355360 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 11211366040 its reverse (4066311211), we get a palindrome (15277677251).

The spelling of 11211366040 in words is "eleven billion, two hundred eleven million, three hundred sixty-six thousand, forty".