2113163113530 has 512 divisors, whose sum is σ = 6358354329600. Its totient is φ = 438881845248.

The previous prime is 2113163113517. The next prime is 2113163113531. The reversal of 2113163113530 is 353113613112.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2113163113531) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 4201119259 + ... + 4201119761.

It is an arithmetic number, because the mean of its divisors is an integer number (12418660800).

Almost surely, 2^{2113163113530} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2113163113530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3179177164800).

2113163113530 is an abundant number, since it is smaller than the sum of its proper divisors (4245191216070).

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

2113163113530 is a wasteful number, since it uses less digits than its factorization.

2113163113530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998.

The product of its (nonzero) digits is 4860, while the sum is 30.

Adding to 2113163113530 its reverse (353113613112), we get a palindrome (2466276726642).

The spelling of 2113163113530 in words is "two trillion, one hundred thirteen billion, one hundred sixty-three million, one hundred thirteen thousand, five hundred thirty".