1131012519952 has 80 divisors (see below), whose sum is σ = 2561556228480. Its totient is φ = 473749226496.

The previous prime is 1131012519913. The next prime is 1131012519953. The reversal of 1131012519952 is 2599152101311.

It is not an unprimeable number, because it can be changed into a prime (1131012519953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 648508 + ... + 1637860.

It is an arithmetic number, because the mean of its divisors is an integer number (32019452856).

Almost surely, 2^{1131012519952} 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 1131012519952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1280778114240).

1131012519952 is an abundant number, since it is smaller than the sum of its proper divisors (1430543708528).

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

1131012519952 is a wasteful number, since it uses less digits than its factorization.

1131012519952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989600 (or 989594 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 40.

The spelling of 1131012519952 in words is "one trillion, one hundred thirty-one billion, twelve million, five hundred nineteen thousand, nine hundred fifty-two".