2025040015665 has 12 divisors (see below), whose sum is σ = 3510069360564. Its totient is φ = 1080021341664.

The previous prime is 2025040015619. The next prime is 2025040015673. The reversal of 2025040015665 is 5665100405202.

2025040015665 is a `hidden beast` number, since 2 + 0 + 2 + 50 + 40 + 0 + 1 + 566 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1193427338481 + 831612677184 = 1092441^2 + 911928^2 .

It is not a de Polignac number, because 2025040015665 - 2¹⁵ = 2025039982897 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22500444574 + ... + 22500444663.

It is an arithmetic number, because the mean of its divisors is an integer number (292505780047).

Almost surely, 2^{2025040015665} is an apocalyptic number.

It is an amenable number.

2025040015665 is a deficient number, since it is larger than the sum of its proper divisors (1485029344899).

2025040015665 is a wasteful number, since it uses less digits than its factorization.

2025040015665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45000889248 (or 45000889245 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 2025040015665 in words is "two trillion, twenty-five billion, forty million, fifteen thousand, six hundred sixty-five".