1325784875231 has 16 divisors (see below), whose sum is σ = 1354026562944. Its totient is φ = 1297819459584.

The previous prime is 1325784875201. The next prime is 1325784875267.

It is a happy number.

1325784875231 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 1325784875231 - 2¹⁰ = 1325784874207 is a prime.

It is a super-2 number, since 2×1325784875231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325784875201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67026815 + ... + 67046591.

It is an arithmetic number, because the mean of its divisors is an integer number (84626660184).

Almost surely, 2^{1325784875231} is an apocalyptic number.

1325784875231 is a deficient number, since it is larger than the sum of its proper divisors (28241687713).

1325784875231 is a wasteful number, since it uses less digits than its factorization.

1325784875231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26690.

The product of its digits is 11289600, while the sum is 56.

The spelling of 1325784875231 in words is "one trillion, three hundred twenty-five billion, seven hundred eighty-four million, eight hundred seventy-five thousand, two hundred thirty-one".