1325776775231 has 16 divisors (see below), whose sum is σ = 1343189472768. Its totient is φ = 1308454408800.

The previous prime is 1325776775203. The next prime is 1325776775273.

It is a happy number.

1325776775231 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1325776775231 is a prime.

It is a super-2 number, since 2×1325776775231² (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 (1325776775131) 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, 122968061 + ... + 122978841.

It is an arithmetic number, because the mean of its divisors is an integer number (83949342048).

Almost surely, 2^{1325776775231} is an apocalyptic number.

1325776775231 is a deficient number, since it is larger than the sum of its proper divisors (17412697537).

1325776775231 is a wasteful number, since it uses less digits than its factorization.

1325776775231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14822.

The product of its digits is 12965400, while the sum is 56.

The spelling of 1325776775231 in words is "one trillion, three hundred twenty-five billion, seven hundred seventy-six million, seven hundred seventy-five thousand, two hundred thirty-one".