2113545150 has 120 divisors (see below), whose sum is σ = 5960939160. Its totient is φ = 555128640.

The previous prime is 2113545079. The next prime is 2113545151. The reversal of 2113545150 is 515453112.

2113545150 is a `hidden beast` number, since 2 + 113 + 545 + 1 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113545151) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 267456 + ... + 275244.

It is an arithmetic number, because the mean of its divisors is an integer number (49674493).

Almost surely, 2^2113545150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2113545150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2980469580).

2113545150 is an abundant number, since it is smaller than the sum of its proper divisors (3847394010).

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

2113545150 is a wasteful number, since it uses less digits than its factorization.

2113545150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7880 (or 7866 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 2113545150 is about 45973.3091043053. The cubic root of 2113545150 is about 1283.3265421953.

Adding to 2113545150 its reverse (515453112), we get a palindrome (2628998262).

The spelling of 2113545150 in words is "two billion, one hundred thirteen million, five hundred forty-five thousand, one hundred fifty".