1325512455445 has 4 divisors (see below), whose sum is σ = 1590614946540. Its totient is φ = 1060409964352.

The previous prime is 1325512455433. The next prime is 1325512455457. The reversal of 1325512455445 is 5445542155231.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (1325512455433) and next prime (1325512455457).

It can be written as a sum of positive squares in 2 ways, for example, as 765348524964 + 560163930481 = 874842^2 + 748441^2 .

It is a cyclic number.

It is not a de Polignac number, because 1325512455445 - 2⁵ = 1325512455413 is a prime.

It is a super-2 number, since 2×1325512455445² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1325512455395 and 1325512455404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132551245540 + ... + 132551245549.

It is an arithmetic number, because the mean of its divisors is an integer number (397653736635).

Almost surely, 2^{1325512455445} is an apocalyptic number.

It is an amenable number.

1325512455445 is a deficient number, since it is larger than the sum of its proper divisors (265102491095).

1325512455445 is an equidigital number, since it uses as much as digits as its factorization.

1325512455445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265102491094.

The product of its digits is 2400000, while the sum is 46.

The spelling of 1325512455445 in words is "one trillion, three hundred twenty-five billion, five hundred twelve million, four hundred fifty-five thousand, four hundred forty-five".