2152811496 has 64 divisors (see below), whose sum is σ = 5890288320. Its totient is φ = 650257920.

The previous prime is 2152811489. The next prime is 2152811497. The reversal of 2152811496 is 6941182512.

It is not an unprimeable number, because it can be changed into a prime (2152811497) 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, 69606 + ... + 95658.

It is an arithmetic number, because the mean of its divisors is an integer number (92035755).

Almost surely, 2^2152811496 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 2152811496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2945144160).

2152811496 is an abundant number, since it is smaller than the sum of its proper divisors (3737476824).

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

2152811496 is a wasteful number, since it uses less digits than its factorization.

2152811496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26386 (or 26382 counting only the distinct ones).

The product of its digits is 34560, while the sum is 39.

The square root of 2152811496 is about 46398.3997137832. The cubic root of 2152811496 is about 1291.2252237686.

The spelling of 2152811496 in words is "two billion, one hundred fifty-two million, eight hundred eleven thousand, four hundred ninety-six".