11331433534 has 12 divisors (see below), whose sum is σ = 17563135392. Its totient is φ = 5482950780.

The previous prime is 11331433489. The next prime is 11331433567. The reversal of 11331433534 is 43533413311.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 11331433496 and 11331433505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2945902 + ... + 2949745.

It is an arithmetic number, because the mean of its divisors is an integer number (1463594616).

Almost surely, 2^11331433534 is an apocalyptic number.

11331433534 is a deficient number, since it is larger than the sum of its proper divisors (6231701858).

11331433534 is an equidigital number, since it uses as much as digits as its factorization.

11331433534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5895711 (or 5895680 counting only the distinct ones).

The product of its digits is 19440, while the sum is 31.

Adding to 11331433534 its reverse (43533413311), we get a palindrome (54864846845).

The spelling of 11331433534 in words is "eleven billion, three hundred thirty-one million, four hundred thirty-three thousand, five hundred thirty-four".