11331311632 has 20 divisors (see below), whose sum is σ = 21958223056. Its totient is φ = 5664673440.

The previous prime is 11331311617. The next prime is 11331311653. The reversal of 11331311632 is 23611313311.

It is a junction number, because it is equal to n+sod(n) for n = 11331311597 and 11331311606.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38707 + ... + 155437.

Almost surely, 2^11331311632 is an apocalyptic number.

It is an amenable number.

11331311632 is a deficient number, since it is larger than the sum of its proper divisors (10626911424).

11331311632 is a wasteful number, since it uses less digits than its factorization.

11331311632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122806 (or 122800 counting only the distinct ones).

The product of its digits is 972, while the sum is 25.

Adding to 11331311632 its reverse (23611313311), we get a palindrome (34942624943).

The spelling of 11331311632 in words is "eleven billion, three hundred thirty-one million, three hundred eleven thousand, six hundred thirty-two".