3261655051213 has 32 divisors (see below), whose sum is σ = 3753132284160. Its totient is φ = 2809427120640.

The previous prime is 3261655051211. The next prime is 3261655051231. The reversal of 3261655051213 is 3121505561623.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3261655051213 - 2¹ = 3261655051211 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 (3261655051211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13275303 + ... + 13518763.

It is an arithmetic number, because the mean of its divisors is an integer number (117285383880).

Almost surely, 2^{3261655051213} is an apocalyptic number.

It is an amenable number.

3261655051213 is a deficient number, since it is larger than the sum of its proper divisors (491477232947).

3261655051213 is a wasteful number, since it uses less digits than its factorization.

3261655051213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244309.

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 3261655051213 in words is "three trillion, two hundred sixty-one billion, six hundred fifty-five million, fifty-one thousand, two hundred thirteen".