1131440233201 has 8 divisors (see below), whose sum is σ = 1144175689800. Its totient is φ = 1118705280000.

The previous prime is 1131440233193. The next prime is 1131440233207. The reversal of 1131440233201 is 1023320441311.

It can be written as a sum of positive squares in 4 ways, for example, as 235492796176 + 895947437025 = 485276^2 + 946545^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1131440233201 - 2³ = 1131440233193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131440233207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6139285 + ... + 6320893.

It is an arithmetic number, because the mean of its divisors is an integer number (143021961225).

Almost surely, 2^{1131440233201} is an apocalyptic number.

It is an amenable number.

1131440233201 is a deficient number, since it is larger than the sum of its proper divisors (12735456599).

1131440233201 is an equidigital number, since it uses as much as digits as its factorization.

1131440233201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251699.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1131440233201 its reverse (1023320441311), we get a palindrome (2154760674512).

The spelling of 1131440233201 in words is "one trillion, one hundred thirty-one billion, four hundred forty million, two hundred thirty-three thousand, two hundred one".