11899328797844 has 12 divisors (see below), whose sum is σ = 20844220922868. Its totient is φ = 5943837105600.

The previous prime is 11899328797831. The next prime is 11899328797859. The reversal of 11899328797844 is 44879782399811.

It can be written as a sum of positive squares in 2 ways, for example, as 2830678381444 + 9068650416400 = 1682462^2 + 3011420^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1456818737 + ... + 1456826904.

It is an arithmetic number, because the mean of its divisors is an integer number (1737018410239).

Almost surely, 2^{11899328797844} is an apocalyptic number.

It is an amenable number.

11899328797844 is a deficient number, since it is larger than the sum of its proper divisors (8944892125024).

11899328797844 is a wasteful number, since it uses less digits than its factorization.

11899328797844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2913646666 (or 2913646664 counting only the distinct ones).

The product of its digits is 1755758592, while the sum is 80.

The spelling of 11899328797844 in words is "eleven trillion, eight hundred ninety-nine billion, three hundred twenty-eight million, seven hundred ninety-seven thousand, eight hundred forty-four".