1325355501545 has 8 divisors (see below), whose sum is σ = 1612826976960. Its totient is φ = 1045350817840.

The previous prime is 1325355501529. The next prime is 1325355501551. The reversal of 1325355501545 is 5451055535231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1325355501545 - 2⁴ = 1325355501529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1325355501496 and 1325355501505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1866697535 + ... + 1866698244.

It is an arithmetic number, because the mean of its divisors is an integer number (201603372120).

Almost surely, 2^{1325355501545} is an apocalyptic number.

It is an amenable number.

1325355501545 is a deficient number, since it is larger than the sum of its proper divisors (287471475415).

1325355501545 is an equidigital number, since it uses as much as digits as its factorization.

1325355501545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3733395855.

The product of its (nonzero) digits is 1125000, while the sum is 44.

The spelling of 1325355501545 in words is "one trillion, three hundred twenty-five billion, three hundred fifty-five million, five hundred one thousand, five hundred forty-five".