1131202113132 has 144 divisors (see below), whose sum is σ = 3268740448512. Its totient is φ = 298127980800.

The previous prime is 1131202113127. The next prime is 1131202113169. The reversal of 1131202113132 is 2313112021311.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1131202113099 and 1131202113108.

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, 20570938 + ... + 20625854.

It is an arithmetic number, because the mean of its divisors is an integer number (22699586448).

Almost surely, 2^{1131202113132} is an apocalyptic number.

1131202113132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131202113132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1634370224256).

1131202113132 is an abundant number, since it is smaller than the sum of its proper divisors (2137538335380).

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

1131202113132 is a wasteful number, since it uses less digits than its factorization.

1131202113132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56408 (or 56393 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1131202113132 its reverse (2313112021311), we get a palindrome (3444314134443).

The spelling of 1131202113132 in words is "one trillion, one hundred thirty-one billion, two hundred two million, one hundred thirteen thousand, one hundred thirty-two".