2011025502 has 64 divisors (see below), whose sum is σ = 4613011200. Its totient is φ = 649075680.

The previous prime is 2011025473. The next prime is 2011025507. The reversal of 2011025502 is 2055201102.

2011025502 is a `hidden beast` number, since 2 + 0 + 110 + 2 + 550 + 2 = 666.

It is a super-3 number, since 3×2011025502³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011025507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208752 + ... + 218172.

It is an arithmetic number, because the mean of its divisors is an integer number (72078300).

Almost surely, 2^2011025502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2011025502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2306505600).

2011025502 is an abundant number, since it is smaller than the sum of its proper divisors (2601985698).

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

2011025502 is a wasteful number, since it uses less digits than its factorization.

2011025502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9558 (or 9552 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 2011025502 is about 44844.4589888205. The cubic root of 2011025502 is about 1262.2320188267.

Adding to 2011025502 its reverse (2055201102), we get a palindrome (4066226604).

The spelling of 2011025502 in words is "two billion, eleven million, twenty-five thousand, five hundred two".