12535908952897 has 64 divisors (see below), whose sum is σ = 14001147740160. Its totient is φ = 11129732812800.

The previous prime is 12535908952891. The next prime is 12535908952943. The reversal of 12535908952897 is 79825980953521.

It is a cyclic number.

It is not a de Polignac number, because 12535908952897 - 2¹¹ = 12535908950849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12535908952891) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11792952388 + ... + 11792953450.

It is an arithmetic number, because the mean of its divisors is an integer number (218767933440).

Almost surely, 2^{12535908952897} is an apocalyptic number.

It is an amenable number.

12535908952897 is a deficient number, since it is larger than the sum of its proper divisors (1465238787263).

12535908952897 is a wasteful number, since it uses less digits than its factorization.

12535908952897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814.

The product of its (nonzero) digits is 489888000, while the sum is 73.

The spelling of 12535908952897 in words is "twelve trillion, five hundred thirty-five billion, nine hundred eight million, nine hundred fifty-two thousand, eight hundred ninety-seven".