2011502064 has 120 divisors (see below), whose sum is σ = 6151318096. Its totient is φ = 562636800.

The previous prime is 2011502063. The next prime is 2011502069. The reversal of 2011502064 is 4602051102.

It is a super-2 number, since 2×2011502064² = 8092281106952520192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2011502064.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011502063) 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, 62184 + ... + 88824.

Almost surely, 2^2011502064 is an apocalyptic number.

2011502064 is a gapful number since it is divisible by the number (24) 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 2011502064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3075659048).

2011502064 is an abundant number, since it is smaller than the sum of its proper divisors (4139816032).

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

2011502064 is a wasteful number, since it uses less digits than its factorization.

2011502064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26687 (or 26670 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2011502064 is about 44849.7721733344. The cubic root of 2011502064 is about 1262.3317166020.

Adding to 2011502064 its reverse (4602051102), we get a palindrome (6613553166).

The spelling of 2011502064 in words is "two billion, eleven million, five hundred two thousand, sixty-four".