201156453600 has 144 divisors (see below), whose sum is σ = 654921676080. Its totient is φ = 53628825600.

The previous prime is 201156453583. The next prime is 201156453601. The reversal of 201156453600 is 6354651102.

201156453600 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201156453601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14078460 + ... + 14092740.

It is an arithmetic number, because the mean of its divisors is an integer number (4548067195).

Almost surely, 2^201156453600 is an apocalyptic number.

201156453600 is a gapful number since it is divisible by the number (20) 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 201156453600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327460838040).

201156453600 is an abundant number, since it is smaller than the sum of its proper divisors (453765222480).

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

201156453600 is a wasteful number, since it uses less digits than its factorization.

201156453600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20173 (or 20160 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 201156453600 in words is "two hundred one billion, one hundred fifty-six million, four hundred fifty-three thousand, six hundred".