12641255161465 has 8 divisors (see below), whose sum is σ = 17336578507200. Its totient is φ = 8668289253552.

The previous prime is 12641255161441. The next prime is 12641255161471. The reversal of 12641255161465 is 56416155214621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12641255161465 - 2⁹ = 12641255160953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180589359415 + ... + 180589359484.

It is an arithmetic number, because the mean of its divisors is an integer number (2167072313400).

Almost surely, 2^{12641255161465} is an apocalyptic number.

It is an amenable number.

12641255161465 is a deficient number, since it is larger than the sum of its proper divisors (4695323345735).

12641255161465 is an equidigital number, since it uses as much as digits as its factorization.

12641255161465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361178718911.

The product of its digits is 1728000, while the sum is 49.

The spelling of 12641255161465 in words is "twelve trillion, six hundred forty-one billion, two hundred fifty-five million, one hundred sixty-one thousand, four hundred sixty-five".