3656212531025 has 12 divisors (see below), whose sum is σ = 4772319514800. Its totient is φ = 2771024233680.

The previous prime is 3656212531007. The next prime is 3656212531043. The reversal of 3656212531025 is 5201352126563.

It is an interprime number because it is at equal distance from previous prime (3656212531007) and next prime (3656212531043).

It is not a de Polignac number, because 3656212531025 - 2⁸ = 3656212530769 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, 3848644295 + ... + 3848645244.

It is an arithmetic number, because the mean of its divisors is an integer number (397693292900).

Almost surely, 2^{3656212531025} is an apocalyptic number.

It is an amenable number.

3656212531025 is a deficient number, since it is larger than the sum of its proper divisors (1116106983775).

3656212531025 is a wasteful number, since it uses less digits than its factorization.

3656212531025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7697289568 (or 7697289563 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 41.

Adding to 3656212531025 its reverse (5201352126563), we get a palindrome (8857564657588).

The spelling of 3656212531025 in words is "three trillion, six hundred fifty-six billion, two hundred twelve million, five hundred thirty-one thousand, twenty-five".