11535231412 has 12 divisors (see below), whose sum is σ = 20386523556. Its totient is φ = 5710510400.

The previous prime is 11535231401. The next prime is 11535231419. The reversal of 11535231412 is 21413253511.

It can be written as a sum of positive squares in 2 ways, for example, as 6140916496 + 5394314916 = 78364^2 + 73446^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11535231419) by changing a digit.

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, 14275873 + ... + 14276680.

It is an arithmetic number, because the mean of its divisors is an integer number (1698876963).

Almost surely, 2^11535231412 is an apocalyptic number.

It is an amenable number.

11535231412 is a deficient number, since it is larger than the sum of its proper divisors (8851292144).

11535231412 is a wasteful number, since it uses less digits than its factorization.

11535231412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28552658 (or 28552656 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

Adding to 11535231412 its reverse (21413253511), we get a palindrome (32948484923).

The spelling of 11535231412 in words is "eleven billion, five hundred thirty-five million, two hundred thirty-one thousand, four hundred twelve".