32115233661 has 32 divisors (see below), whose sum is σ = 51118553088. Its totient is φ = 17535334080.

The previous prime is 32115233659. The next prime is 32115233699. The reversal of 32115233661 is 16633251123.

It is not a de Polignac number, because 32115233661 - 2¹ = 32115233659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32115233261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 434755 + ... + 503231.

It is an arithmetic number, because the mean of its divisors is an integer number (1597454784).

Almost surely, 2^32115233661 is an apocalyptic number.

It is an amenable number.

32115233661 is a deficient number, since it is larger than the sum of its proper divisors (19003319427).

32115233661 is a wasteful number, since it uses less digits than its factorization.

32115233661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69481.

The product of its digits is 19440, while the sum is 33.

Adding to 32115233661 its reverse (16633251123), we get a palindrome (48748484784).

The spelling of 32115233661 in words is "thirty-two billion, one hundred fifteen million, two hundred thirty-three thousand, six hundred sixty-one".