1131421433204 has 12 divisors (see below), whose sum is σ = 1981373093700. Its totient is φ = 565314835008.

The previous prime is 1131421433141. The next prime is 1131421433213. The reversal of 1131421433204 is 4023341241311.

It can be written as a sum of positive squares in 2 ways, for example, as 434360083600 + 697061349604 = 659060^2 + 834902^2 .

It is a super-2 number, since 2×1131421433204² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98963969 + ... + 98975400.

It is an arithmetic number, because the mean of its divisors is an integer number (165114424475).

Almost surely, 2^{1131421433204} is an apocalyptic number.

It is an amenable number.

1131421433204 is a deficient number, since it is larger than the sum of its proper divisors (849951660496).

1131421433204 is a wasteful number, since it uses less digits than its factorization.

1131421433204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197940802 (or 197940800 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 1131421433204 its reverse (4023341241311), we get a palindrome (5154762674515).

The spelling of 1131421433204 in words is "one trillion, one hundred thirty-one billion, four hundred twenty-one million, four hundred thirty-three thousand, two hundred four".