11246412640 has 96 divisors (see below), whose sum is σ = 27239690016. Its totient is φ = 4385525760.

The previous prime is 11246412637. The next prime is 11246412647. The reversal of 11246412640 is 4621464211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11246412647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4546444 + ... + 4548916.

It is an arithmetic number, because the mean of its divisors is an integer number (283746771).

Almost surely, 2^11246412640 is an apocalyptic number.

11246412640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11246412640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13619845008).

11246412640 is an abundant number, since it is smaller than the sum of its proper divisors (15993277376).

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

11246412640 is a wasteful number, since it uses less digits than its factorization.

11246412640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3192 (or 3184 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 11246412640 its reverse (4621464211), we get a palindrome (15867876851).

The spelling of 11246412640 in words is "eleven billion, two hundred forty-six million, four hundred twelve thousand, six hundred forty".