2151313160444 has 96 divisors (see below), whose sum is σ = 4579749974016. Its totient is φ = 864866096640.

The previous prime is 2151313160429. The next prime is 2151313160471. The reversal of 2151313160444 is 4440613131512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3536624 + ... + 4100040.

It is an arithmetic number, because the mean of its divisors is an integer number (47705728896).

Almost surely, 2^{2151313160444} 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 2151313160444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2289874987008).

2151313160444 is an abundant number, since it is smaller than the sum of its proper divisors (2428436813572).

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

2151313160444 is a wasteful number, since it uses less digits than its factorization.

2151313160444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563595 (or 563593 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 2151313160444 its reverse (4440613131512), we get a palindrome (6591926291956).

The spelling of 2151313160444 in words is "two trillion, one hundred fifty-one billion, three hundred thirteen million, one hundred sixty thousand, four hundred forty-four".