1131021533352 has 64 divisors (see below), whose sum is σ = 2929863720960. Its totient is φ = 363458347200.

The previous prime is 1131021533347. The next prime is 1131021533357. The reversal of 1131021533352 is 2533351201311.

It is an interprime number because it is at equal distance from previous prime (1131021533347) and next prime (1131021533357).

It is not an unprimeable number, because it can be changed into a prime (1131021533357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2694424 + ... + 3085767.

It is an arithmetic number, because the mean of its divisors is an integer number (45779120640).

Almost surely, 2^{1131021533352} is an apocalyptic number.

1131021533352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1131021533352 is an abundant number, since it is smaller than the sum of its proper divisors (1798842187608).

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

1131021533352 is a wasteful number, since it uses less digits than its factorization.

1131021533352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5780494 (or 5780490 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 30.

Adding to 1131021533352 its reverse (2533351201311), we get a palindrome (3664372734663).

The spelling of 1131021533352 in words is "one trillion, one hundred thirty-one billion, twenty-one million, five hundred thirty-three thousand, three hundred fifty-two".