1131404342235 has 16 divisors (see below), whose sum is σ = 1810442219040. Its totient is φ = 603350558720.

The previous prime is 1131404342179. The next prime is 1131404342239. The reversal of 1131404342235 is 5322434041311.

It is not a de Polignac number, because 1131404342235 - 2⁹ = 1131404341723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1131404342196 and 1131404342205.

It is not an unprimeable number, because it can be changed into a prime (1131404342239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3924300 + ... + 4202729.

It is an arithmetic number, because the mean of its divisors is an integer number (113152638690).

Almost surely, 2^{1131404342235} is an apocalyptic number.

1131404342235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1131404342235 is a deficient number, since it is larger than the sum of its proper divisors (679037876805).

1131404342235 is an equidigital number, since it uses as much as digits as its factorization.

1131404342235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8136318.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 1131404342235 its reverse (5322434041311), we get a palindrome (6453838383546).

The spelling of 1131404342235 in words is "one trillion, one hundred thirty-one billion, four hundred four million, three hundred forty-two thousand, two hundred thirty-five".