3261011451632 has 40 divisors (see below), whose sum is σ = 6892731217920. Its totient is φ = 1482248076480.

The previous prime is 3261011451611. The next prime is 3261011451739. The reversal of 3261011451632 is 2361541101623.

It is a junction number, because it is equal to n+sod(n) for n = 3261011451592 and 3261011451601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10220369 + ... + 10534607.

It is an arithmetic number, because the mean of its divisors is an integer number (172318280448).

Almost surely, 2^{3261011451632} is an apocalyptic number.

It is an amenable number.

3261011451632 is an abundant number, since it is smaller than the sum of its proper divisors (3631719766288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3261011451632 is a wasteful number, since it uses less digits than its factorization.

3261011451632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373221 (or 373215 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 3261011451632 in words is "three trillion, two hundred sixty-one billion, eleven million, four hundred fifty-one thousand, six hundred thirty-two".