1131155224000 has 56 divisors (see below), whose sum is σ = 2801305932048. Its totient is φ = 452462086400.

The previous prime is 1131155223931. The next prime is 1131155224033. The reversal of 1131155224000 is 4225511311.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70689202 + ... + 70705201.

Almost surely, 2^{1131155224000} is an apocalyptic number.

1131155224000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131155224000 is an abundant number, since it is smaller than the sum of its proper divisors (1670150708048).

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

1131155224000 is an equidigital number, since it uses as much as digits as its factorization.

1131155224000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141394430 (or 141394410 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The spelling of 1131155224000 in words is "one trillion, one hundred thirty-one billion, one hundred fifty-five million, two hundred twenty-four thousand".