11433320412 has 24 divisors (see below), whose sum is σ = 27597670800. Its totient is φ = 3679689216.

The previous prime is 11433320411. The next prime is 11433320443. The reversal of 11433320412 is 21402333411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11433320411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16426837 + ... + 16427532.

It is an arithmetic number, because the mean of its divisors is an integer number (1149902950).

Almost surely, 2^11433320412 is an apocalyptic number.

11433320412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11433320412 is an abundant number, since it is smaller than the sum of its proper divisors (16164350388).

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

11433320412 is a wasteful number, since it uses less digits than its factorization.

11433320412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32854405 (or 32854403 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 11433320412 its reverse (21402333411), we get a palindrome (32835653823).

The spelling of 11433320412 in words is "eleven billion, four hundred thirty-three million, three hundred twenty thousand, four hundred twelve".