11534131424 has 12 divisors (see below), whose sum is σ = 22707821304. Its totient is φ = 5767065696.

The previous prime is 11534131319. The next prime is 11534131429. The reversal of 11534131424 is 42413143511.

It is a super-2 number, since 2×11534131424² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11534131429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180220772 + ... + 180220835.

It is an arithmetic number, because the mean of its divisors is an integer number (1892318442).

Almost surely, 2^11534131424 is an apocalyptic number.

It is an amenable number.

11534131424 is a deficient number, since it is larger than the sum of its proper divisors (11173689880).

11534131424 is an equidigital number, since it uses as much as digits as its factorization.

11534131424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360441617 (or 360441609 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

Adding to 11534131424 its reverse (42413143511), we get a palindrome (53947274935).

It can be divided in two parts, 11 and 534131424, that added together give a palindrome (534131435).

The spelling of 11534131424 in words is "eleven billion, five hundred thirty-four million, one hundred thirty-one thousand, four hundred twenty-four".