2605102011 has 12 divisors (see below), whose sum is σ = 3764700888. Its totient is φ = 1735915104.

The previous prime is 2605102009. The next prime is 2605102013. The reversal of 2605102011 is 1102015062.

It is an interprime number because it is at equal distance from previous prime (2605102009) and next prime (2605102013).

It is not a de Polignac number, because 2605102011 - 2¹ = 2605102009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2605102013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47845 + ... + 86598.

It is an arithmetic number, because the mean of its divisors is an integer number (313725074).

Almost surely, 2^2605102011 is an apocalyptic number.

2605102011 is a deficient number, since it is larger than the sum of its proper divisors (1159598877).

2605102011 is a wasteful number, since it uses less digits than its factorization.

2605102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136602 (or 136599 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 2605102011 is about 51040.1999506272. The cubic root of 2605102011 is about 1375.9677173997.

Adding to 2605102011 its reverse (1102015062), we get a palindrome (3707117073).

The spelling of 2605102011 in words is "two billion, six hundred five million, one hundred two thousand, eleven".