1101631325312 has 128 divisors (see below), whose sum is σ = 2666614037760. Its totient is φ = 443079217152.

The previous prime is 1101631325297. The next prime is 1101631325323. The reversal of 1101631325312 is 2135231361011.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 587918 + ... + 1596530.

It is an arithmetic number, because the mean of its divisors is an integer number (20832922170).

Almost surely, 2^{1101631325312} 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 1101631325312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1333307018880).

1101631325312 is an abundant number, since it is smaller than the sum of its proper divisors (1564982712448).

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

1101631325312 is a wasteful number, since it uses less digits than its factorization.

1101631325312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008710 (or 1008698 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

Adding to 1101631325312 its reverse (2135231361011), we get a palindrome (3236862686323).

The spelling of 1101631325312 in words is "one trillion, one hundred one billion, six hundred thirty-one million, three hundred twenty-five thousand, three hundred twelve".