1131403342240 has 24 divisors (see below), whose sum is σ = 2672940396420. Its totient is φ = 452561336832.

The previous prime is 1131403342193. The next prime is 1131403342261. The reversal of 1131403342240 is 422433041311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1126748282256 + 4655059984 = 1061484^2 + 68228^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1131403342199 and 1131403342208.

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 3 ways as a sum of consecutive naturals, for example, 3535635285 + ... + 3535635604.

Almost surely, 2^{1131403342240} is an apocalyptic number.

1131403342240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131403342240 is an abundant number, since it is smaller than the sum of its proper divisors (1541537054180).

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

1131403342240 is an equidigital number, since it uses as much as digits as its factorization.

1131403342240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7071270904 (or 7071270896 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1131403342240 its reverse (422433041311), we get a palindrome (1553836383551).

The spelling of 1131403342240 in words is "one trillion, one hundred thirty-one billion, four hundred three million, three hundred forty-two thousand, two hundred forty".