2011503055 has 16 divisors (see below), whose sum is σ = 2434037760. Its totient is φ = 1595741472.

The previous prime is 2011502993. The next prime is 2011503083. The reversal of 2011503055 is 5503051102.

It is a cyclic number.

It is not a de Polignac number, because 2011503055 - 2¹¹ = 2011501007 is a prime.

It is a super-2 number, since 2×2011503055² = 8092289080548666050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1088142 + ... + 1089988.

It is an arithmetic number, because the mean of its divisors is an integer number (152127360).

Almost surely, 2^2011503055 is an apocalyptic number.

2011503055 is a deficient number, since it is larger than the sum of its proper divisors (422534705).

2011503055 is a wasteful number, since it uses less digits than its factorization.

2011503055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3558.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 2011503055 is about 44849.7832213267. The cubic root of 2011503055 is about 1262.3319239049.

Adding to 2011503055 its reverse (5503051102), we get a palindrome (7514554157).

The spelling of 2011503055 in words is "two billion, eleven million, five hundred three thousand, fifty-five".