2011025503 has 4 divisors (see below), whose sum is σ = 2080371240. Its totient is φ = 1941679768.

The previous prime is 2011025473. The next prime is 2011025507. The reversal of 2011025503 is 3055201102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2011025503 - 2⁹ = 2011024991 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 (2011025507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34672825 + ... + 34672882.

It is an arithmetic number, because the mean of its divisors is an integer number (520092810).

Almost surely, 2^2011025503 is an apocalyptic number.

2011025503 is a deficient number, since it is larger than the sum of its proper divisors (69345737).

2011025503 is an equidigital number, since it uses as much as digits as its factorization.

2011025503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69345736.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 2011025503 is about 44844.4589999701. The cubic root of 2011025503 is about 1262.2320190359.

Adding to 2011025503 its reverse (3055201102), we get a palindrome (5066226605).

The spelling of 2011025503 in words is "two billion, eleven million, twenty-five thousand, five hundred three".