2565132315652 has 6 divisors (see below), whose sum is σ = 4488981552398. Its totient is φ = 1282566157824.

The previous prime is 2565132315649. The next prime is 2565132315653.

2565132315652 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 2379633271236 + 185499044416 = 1542606^2 + 430696^2 .

It is not an unprimeable number, because it can be changed into a prime (2565132315653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320641539453 + ... + 320641539460.

Almost surely, 2^{2565132315652} is an apocalyptic number.

It is an amenable number.

2565132315652 is a deficient number, since it is larger than the sum of its proper divisors (1923849236746).

2565132315652 is a wasteful number, since it uses less digits than its factorization.

2565132315652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641283078917 (or 641283078915 counting only the distinct ones).

The product of its digits is 1620000, while the sum is 46.

The spelling of 2565132315652 in words is "two trillion, five hundred sixty-five billion, one hundred thirty-two million, three hundred fifteen thousand, six hundred fifty-two".