1199418532648 has 256 divisors, whose sum is σ = 2882764800000. Its totient is φ = 456320874240.

The previous prime is 1199418532643. The next prime is 1199418532649. The reversal of 1199418532648 is 8462358149911.

It is not an unprimeable number, because it can be changed into a prime (1199418532643) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 130381153 + ... + 130390351.

It is an arithmetic number, because the mean of its divisors is an integer number (11260800000).

Almost surely, 2^{1199418532648} 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 1199418532648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1441382400000).

1199418532648 is an abundant number, since it is smaller than the sum of its proper divisors (1683346267352).

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

1199418532648 is a wasteful number, since it uses less digits than its factorization.

1199418532648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9388 (or 9384 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 61.

The spelling of 1199418532648 in words is "one trillion, one hundred ninety-nine billion, four hundred eighteen million, five hundred thirty-two thousand, six hundred forty-eight".