1199590221648 has 240 divisors, whose sum is σ = 3842754048000. Its totient is φ = 315738948096.

The previous prime is 1199590221619. The next prime is 1199590221701. The reversal of 1199590221648 is 8461220959911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28541353 + ... + 28583351.

It is an arithmetic number, because the mean of its divisors is an integer number (16011475200).

Almost surely, 2^{1199590221648} 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 1199590221648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1921377024000).

1199590221648 is an abundant number, since it is smaller than the sum of its proper divisors (2643163826352).

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

1199590221648 is a wasteful number, since it uses less digits than its factorization.

1199590221648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42546 (or 42527 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 57.

The spelling of 1199590221648 in words is "one trillion, one hundred ninety-nine billion, five hundred ninety million, two hundred twenty-one thousand, six hundred forty-eight".