2611552445 has 4 divisors (see below), whose sum is σ = 3133862940. Its totient is φ = 2089241952.

The previous prime is 2611552439. The next prime is 2611552469. The reversal of 2611552445 is 5442551162.

2611552445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 651985156 + 1959567289 = 25534^2 + 44267^2 .

It is a cyclic number.

It is not a de Polignac number, because 2611552445 - 2⁶ = 2611552381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261155240 + ... + 261155249.

It is an arithmetic number, because the mean of its divisors is an integer number (783465735).

Almost surely, 2^2611552445 is an apocalyptic number.

It is an amenable number.

2611552445 is a deficient number, since it is larger than the sum of its proper divisors (522310495).

2611552445 is an equidigital number, since it uses as much as digits as its factorization.

2611552445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522310494.

The product of its digits is 48000, while the sum is 35.

The square root of 2611552445 is about 51103.3506240051. The cubic root of 2611552445 is about 1377.1024488385.

The spelling of 2611552445 in words is "two billion, six hundred eleven million, five hundred fifty-two thousand, four hundred forty-five".