3261345652601 has 8 divisors (see below), whose sum is σ = 3368035448064. Its totient is φ = 3154748675760.

The previous prime is 3261345652559. The next prime is 3261345652603. The reversal of 3261345652601 is 1062565431623.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3261345652601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3261345652603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23133230 + ... + 23273783.

It is an arithmetic number, because the mean of its divisors is an integer number (421004431008).

Almost surely, 2^{3261345652601} is an apocalyptic number.

3261345652601 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3261345652601 is a deficient number, since it is larger than the sum of its proper divisors (106689795463).

3261345652601 is a wasteful number, since it uses less digits than its factorization.

3261345652601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46409311.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 3261345652601 in words is "three trillion, two hundred sixty-one billion, three hundred forty-five million, six hundred fifty-two thousand, six hundred one".