3261326452545 has 24 divisors (see below), whose sum is σ = 6070060664064. Its totient is φ = 1490892092256.

The previous prime is 3261326452519. The next prime is 3261326452561. The reversal of 3261326452545 is 5452546231623.

It is not a de Polignac number, because 3261326452545 - 2⁶ = 3261326452481 is a prime.

It is a super-3 number, since 3×3261326452545³ (a number of 39 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3261326452494 and 3261326452503.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2218588689 + ... + 2218590158.

It is an arithmetic number, because the mean of its divisors is an integer number (252919194336).

Almost surely, 2^{3261326452545} is an apocalyptic number.

3261326452545 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3261326452545 is a deficient number, since it is larger than the sum of its proper divisors (2808734211519).

3261326452545 is a wasteful number, since it uses less digits than its factorization.

3261326452545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4437178869 (or 4437178862 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 48.

The spelling of 3261326452545 in words is "three trillion, two hundred sixty-one billion, three hundred twenty-six million, four hundred fifty-two thousand, five hundred forty-five".