32151044651 has 4 divisors (see below), whose sum is σ = 35073866904. Its totient is φ = 29228222400.

The previous prime is 32151044641. The next prime is 32151044669. The reversal of 32151044651 is 15644015123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32151044651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32151044641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1461411110 + ... + 1461411131.

It is an arithmetic number, because the mean of its divisors is an integer number (8768466726).

Almost surely, 2^32151044651 is an apocalyptic number.

32151044651 is a deficient number, since it is larger than the sum of its proper divisors (2922822253).

32151044651 is a wasteful number, since it uses less digits than its factorization.

32151044651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922822252.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 32151044651 its reverse (15644015123), we get a palindrome (47795059774).

The spelling of 32151044651 in words is "thirty-two billion, one hundred fifty-one million, forty-four thousand, six hundred fifty-one".