1325039635679 has 16 divisors (see below), whose sum is σ = 1363848192000. Its totient is φ = 1286763722400.

The previous prime is 1325039635639. The next prime is 1325039635681. The reversal of 1325039635679 is 9765369305231.

It is a happy number.

It is not a de Polignac number, because 1325039635679 - 2¹⁶ = 1325039570143 is a prime.

It is a super-2 number, since 2×1325039635679² (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 (1325039635639) 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, 6425822 + ... + 6628820.

It is an arithmetic number, because the mean of its divisors is an integer number (85240512000).

Almost surely, 2^{1325039635679} is an apocalyptic number.

1325039635679 is a deficient number, since it is larger than the sum of its proper divisors (38808556321).

1325039635679 is a wasteful number, since it uses less digits than its factorization.

1325039635679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204310.

The product of its (nonzero) digits is 27556200, while the sum is 59.

The spelling of 1325039635679 in words is "one trillion, three hundred twenty-five billion, thirty-nine million, six hundred thirty-five thousand, six hundred seventy-nine".