65213455431256 has 32 divisors (see below), whose sum is σ = 133499695395600. Its totient is φ = 29618360506240.

The previous prime is 65213455431193. The next prime is 65213455431287.

65213455431256 is nontrivially palindromic in base 10.

It is a congruent number.

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, 301381675 + ... + 301597978.

Almost surely, 2^{65213455431256} is an apocalyptic number.

It is an amenable number.

65213455431256 is an abundant number, since it is smaller than the sum of its proper divisors (68286239964344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65213455431256 is a wasteful number, since it uses less digits than its factorization.

65213455431256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602980899 (or 602980895 counting only the distinct ones).

The product of its digits is 12960000, while the sum is 52.

The spelling of 65213455431256 in words is "sixty-five trillion, two hundred thirteen billion, four hundred fifty-five million, four hundred thirty-one thousand, two hundred fifty-six".