2012521411511 has 12 divisors (see below), whose sum is σ = 2181399147360. Its totient is φ = 1855870773120.

The previous prime is 2012521411457. The next prime is 2012521411573. The reversal of 2012521411511 is 1151141252102.

It is not a de Polignac number, because 2012521411511 - 2¹⁴ = 2012521395127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012521411591) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5730575 + ... + 6071616.

It is an arithmetic number, because the mean of its divisors is an integer number (181783262280).

Almost surely, 2^{2012521411511} is an apocalyptic number.

2012521411511 is a deficient number, since it is larger than the sum of its proper divisors (168877735849).

2012521411511 is a wasteful number, since it uses less digits than its factorization.

2012521411511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11803226 (or 11803213 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 26.

Adding to 2012521411511 its reverse (1151141252102), we get a palindrome (3163662663613).

The spelling of 2012521411511 in words is "two trillion, twelve billion, five hundred twenty-one million, four hundred eleven thousand, five hundred eleven".