11311255424 has 32 divisors (see below), whose sum is σ = 25753306800. Its totient is φ = 4847680512.

The previous prime is 11311255421. The next prime is 11311255453. The reversal of 11311255424 is 42455211311.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311255421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6311189 + ... + 6312980.

Almost surely, 2^11311255424 is an apocalyptic number.

11311255424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11311255424 is an abundant number, since it is smaller than the sum of its proper divisors (14442051376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11311255424 is an equidigital number, since it uses as much as digits as its factorization.

11311255424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12624190 (or 12624178 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

Adding to 11311255424 its reverse (42455211311), we get a palindrome (53766466735).

The spelling of 11311255424 in words is "eleven billion, three hundred eleven million, two hundred fifty-five thousand, four hundred twenty-four".