11435368840 has 128 divisors (see below), whose sum is σ = 30148899840. Its totient is φ = 3822206976.

The previous prime is 11435368829. The next prime is 11435368891. The reversal of 11435368840 is 4886353411.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3643752 + ... + 3646888.

It is an arithmetic number, because the mean of its divisors is an integer number (235538280).

Almost surely, 2^11435368840 is an apocalyptic number.

11435368840 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 11435368840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15074449920).

11435368840 is an abundant number, since it is smaller than the sum of its proper divisors (18713531000).

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

11435368840 is a wasteful number, since it uses less digits than its factorization.

11435368840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3479 (or 3475 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 11435368840 in words is "eleven billion, four hundred thirty-five million, three hundred sixty-eight thousand, eight hundred forty".