11535211412 has 12 divisors (see below), whose sum is σ = 20232606240. Its totient is φ = 5754466776.

The previous prime is 11535211403. The next prime is 11535211423. The reversal of 11535211412 is 21411253511.

It is a super-2 number, since 2×11535211412² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 3282758 + ... + 3286269.

It is an arithmetic number, because the mean of its divisors is an integer number (1686050520).

Almost surely, 2^11535211412 is an apocalyptic number.

It is an amenable number.

11535211412 is a deficient number, since it is larger than the sum of its proper divisors (8697394828).

11535211412 is a wasteful number, since it uses less digits than its factorization.

11535211412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6569470 (or 6569468 counting only the distinct ones).

The product of its digits is 1200, while the sum is 26.

Adding to 11535211412 its reverse (21411253511), we get a palindrome (32946464923).

The spelling of 11535211412 in words is "eleven billion, five hundred thirty-five million, two hundred eleven thousand, four hundred twelve".