2011652215520 has 24 divisors (see below), whose sum is σ = 4752528359544. Its totient is φ = 804660886144.

The previous prime is 2011652215493. The next prime is 2011652215579. The reversal of 2011652215520 is 255122561102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6286413014 + ... + 6286413333.

It is an arithmetic number, because the mean of its divisors is an integer number (198022014981).

Almost surely, 2^{2011652215520} is an apocalyptic number.

2011652215520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011652215520 is an abundant number, since it is smaller than the sum of its proper divisors (2740876144024).

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

2011652215520 is a wasteful number, since it uses less digits than its factorization.

2011652215520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12572826362 (or 12572826354 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 2011652215520 its reverse (255122561102), we get a palindrome (2266774776622).

The spelling of 2011652215520 in words is "two trillion, eleven billion, six hundred fifty-two million, two hundred fifteen thousand, five hundred twenty".