1131325224520 has 64 divisors (see below), whose sum is σ = 2656428203520. Its totient is φ = 432810326784.

The previous prime is 1131325224439. The next prime is 1131325224551. The reversal of 1131325224520 is 254225231311.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9700474 + ... + 9816406.

It is an arithmetic number, because the mean of its divisors is an integer number (41506690680).

Almost surely, 2^{1131325224520} is an apocalyptic number.

1131325224520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131325224520 is an abundant number, since it is smaller than the sum of its proper divisors (1525102979000).

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

1131325224520 is a wasteful number, since it uses less digits than its factorization.

1131325224520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126574 (or 126570 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 1131325224520 in words is "one trillion, one hundred thirty-one billion, three hundred twenty-five million, two hundred twenty-four thousand, five hundred twenty".