2585108551 has 4 divisors (see below), whose sum is σ = 2609268552. Its totient is φ = 2560948552.

The previous prime is 2585108531. The next prime is 2585108567. The reversal of 2585108551 is 1558015852.

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 2585108551 - 2³¹ = 437624903 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 (2585108531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12079840 + ... + 12080053.

It is an arithmetic number, because the mean of its divisors is an integer number (652317138).

Almost surely, 2^2585108551 is an apocalyptic number.

2585108551 is a deficient number, since it is larger than the sum of its proper divisors (24160001).

2585108551 is a wasteful number, since it uses less digits than its factorization.

2585108551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24160000.

The product of its (nonzero) digits is 80000, while the sum is 40.

The square root of 2585108551 is about 50843.9627782886. The cubic root of 2585108551 is about 1372.4386124326.

The spelling of 2585108551 in words is "two billion, five hundred eighty-five million, one hundred eight thousand, five hundred fifty-one".