11355604920 has 512 divisors, whose sum is σ = 44509824000. Its totient is φ = 2544353280.

The previous prime is 11355604901. The next prime is 11355604921. The reversal of 11355604920 is 2940655311.

11355604920 is a `hidden beast` number, since 1 + 1 + 3 + 5 + 560 + 4 + 92 + 0 = 666.

11355604920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11355604921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11915164 + ... + 11916116.

It is an arithmetic number, because the mean of its divisors is an integer number (86933250).

Almost surely, 2^11355604920 is an apocalyptic number.

11355604920 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 11355604920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22254912000).

11355604920 is an abundant number, since it is smaller than the sum of its proper divisors (33154219080).

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

11355604920 is a wasteful number, since it uses less digits than its factorization.

11355604920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060 (or 1050 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 11355604920 in words is "eleven billion, three hundred fifty-five million, six hundred four thousand, nine hundred twenty".