2585331081106 has 4 divisors (see below), whose sum is σ = 3877996621662. Its totient is φ = 1292665540552.

The previous prime is 2585331081103. The next prime is 2585331081139. The reversal of 2585331081106 is 6011801335852.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1316047190481 + 1269283890625 = 1147191^2 + 1126625^2 .

It is not an unprimeable number, because it can be changed into a prime (2585331081103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 646332770275 + ... + 646332770278.

Almost surely, 2^{2585331081106} is an apocalyptic number.

2585331081106 is a deficient number, since it is larger than the sum of its proper divisors (1292665540556).

2585331081106 is a wasteful number, since it uses less digits than its factorization.

2585331081106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292665540555.

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 2585331081106 in words is "two trillion, five hundred eighty-five billion, three hundred thirty-one million, eighty-one thousand, one hundred six".