32505451241503 has 24 divisors (see below), whose sum is σ = 35812929835008. Its totient is φ = 29443362010128.

The previous prime is 32505451241449. The next prime is 32505451241537. The reversal of 32505451241503 is 30514215450523.

It is a de Polignac number, because none of the positive numbers 2^k-32505451241503 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 (32505451241563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18964626 + ... + 20607472.

It is an arithmetic number, because the mean of its divisors is an integer number (1492205409792).

Almost surely, 2^{32505451241503} is an apocalyptic number.

32505451241503 is a deficient number, since it is larger than the sum of its proper divisors (3307478593505).

32505451241503 is a wasteful number, since it uses less digits than its factorization.

32505451241503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645291 (or 1645272 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 32505451241503 in words is "thirty-two trillion, five hundred five billion, four hundred fifty-one million, two hundred forty-one thousand, five hundred three".