2011545526 has 16 divisors (see below), whose sum is σ = 3097589040. Its totient is φ = 979121920.

The previous prime is 2011545521. The next prime is 2011545533. The reversal of 2011545526 is 6255451102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011545521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12030 + ... + 64558.

It is an arithmetic number, because the mean of its divisors is an integer number (193599315).

Almost surely, 2^2011545526 is an apocalyptic number.

2011545526 is a deficient number, since it is larger than the sum of its proper divisors (1086043514).

2011545526 is a wasteful number, since it uses less digits than its factorization.

2011545526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53039.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 2011545526 is about 44850.2566993769. The cubic root of 2011545526 is about 1262.3408081605.

Adding to 2011545526 its reverse (6255451102), we get a palindrome (8266996628).

The spelling of 2011545526 in words is "two billion, eleven million, five hundred forty-five thousand, five hundred twenty-six".