1325428742326 has 16 divisors (see below), whose sum is σ = 2150509266864. Its totient is φ = 609041466144.

The previous prime is 1325428742263. The next prime is 1325428742357. The reversal of 1325428742326 is 6232478245231.

It is a super-2 number, since 2×1325428742326² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1325428742326.

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, 112280505 + ... + 112292308.

It is an arithmetic number, because the mean of its divisors is an integer number (134406829179).

Almost surely, 2^{1325428742326} is an apocalyptic number.

1325428742326 is a deficient number, since it is larger than the sum of its proper divisors (825080524538).

1325428742326 is a wasteful number, since it uses less digits than its factorization.

1325428742326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224573055.

The product of its digits is 3870720, while the sum is 49.

The spelling of 1325428742326 in words is "one trillion, three hundred twenty-five billion, four hundred twenty-eight million, seven hundred forty-two thousand, three hundred twenty-six".