3105505132000 has 96 divisors (see below), whose sum is σ = 7633024779744. Its totient is φ = 1241746432000.

The previous prime is 3105505131991. The next prime is 3105505132001. The reversal of 3105505132000 is 2315055013.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3105505132001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10870995 + ... + 11153005.

It is an arithmetic number, because the mean of its divisors is an integer number (79510674789).

Almost surely, 2^{3105505132000} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3105505132000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3816512389872).

3105505132000 is an abundant number, since it is smaller than the sum of its proper divisors (4527519647744).

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

3105505132000 is a wasteful number, since it uses less digits than its factorization.

3105505132000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284789 (or 284771 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 25.

The spelling of 3105505132000 in words is "three trillion, one hundred five billion, five hundred five million, one hundred thirty-two thousand".