3261025770205 has 16 divisors (see below), whose sum is σ = 4475132663040. Its totient is φ = 2234697581952.

The previous prime is 3261025770193. The next prime is 3261025770251. The reversal of 3261025770205 is 5020775201623.

It is a cyclic number.

It is not a de Polignac number, because 3261025770205 - 2⁷ = 3261025770077 is a prime.

It is a super-2 number, since 2×3261025770205² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29827464 + ... + 29936593.

It is an arithmetic number, because the mean of its divisors is an integer number (279695791440).

Almost surely, 2^{3261025770205} is an apocalyptic number.

3261025770205 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3261025770205 is a deficient number, since it is larger than the sum of its proper divisors (1214106892835).

3261025770205 is a wasteful number, since it uses less digits than its factorization.

3261025770205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59765628.

The product of its (nonzero) digits is 176400, while the sum is 40.

The spelling of 3261025770205 in words is "three trillion, two hundred sixty-one billion, twenty-five million, seven hundred seventy thousand, two hundred five".