2005525231245 has 12 divisors (see below), whose sum is σ = 3476243734236. Its totient is φ = 1069613456640.

The previous prime is 2005525231243. The next prime is 2005525231249. The reversal of 2005525231245 is 5421325255002.

2005525231245 is a `hidden beast` number, since 2 + 0 + 0 + 5 + 5 + 2 + 523 + 124 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1265577750441 + 739947480804 = 1124979^2 + 860202^2 .

It is not a de Polignac number, because 2005525231245 - 2¹ = 2005525231243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005525231243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22283613636 + ... + 22283613725.

It is an arithmetic number, because the mean of its divisors is an integer number (289686977853).

Almost surely, 2^{2005525231245} is an apocalyptic number.

It is an amenable number.

2005525231245 is a deficient number, since it is larger than the sum of its proper divisors (1470718502991).

2005525231245 is a wasteful number, since it uses less digits than its factorization.

2005525231245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44567227372 (or 44567227369 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 2005525231245 in words is "two trillion, five billion, five hundred twenty-five million, two hundred thirty-one thousand, two hundred forty-five".