1325635138351 has 4 divisors (see below), whose sum is σ = 1325640303400. Its totient is φ = 1325629973304.

The previous prime is 1325635138339. The next prime is 1325635138357. The reversal of 1325635138351 is 1538315365231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1325635138351 - 2⁹ = 1325635137839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325635138357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2176236 + ... + 2717953.

It is an arithmetic number, because the mean of its divisors is an integer number (331410075850).

Almost surely, 2^{1325635138351} is an apocalyptic number.

1325635138351 is a deficient number, since it is larger than the sum of its proper divisors (5165049).

1325635138351 is an equidigital number, since it uses as much as digits as its factorization.

1325635138351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5165048.

The product of its digits is 972000, while the sum is 46.

The spelling of 1325635138351 in words is "one trillion, three hundred twenty-five billion, six hundred thirty-five million, one hundred thirty-eight thousand, three hundred fifty-one".