36651032113 has 4 divisors (see below), whose sum is σ = 36723038580. Its totient is φ = 36579025648.

The previous prime is 36651032087. The next prime is 36651032123. The reversal of 36651032113 is 31123015663.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15616751089 + 21034281024 = 124967^2 + 145032^2 .

It is a cyclic number.

It is not a de Polignac number, because 36651032113 - 2⁵ = 36651032081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36651032123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36002470 + ... + 36003487.

It is an arithmetic number, because the mean of its divisors is an integer number (9180759645).

Almost surely, 2^36651032113 is an apocalyptic number.

It is an amenable number.

36651032113 is a deficient number, since it is larger than the sum of its proper divisors (72006467).

36651032113 is an equidigital number, since it uses as much as digits as its factorization.

36651032113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72006466.

The product of its (nonzero) digits is 9720, while the sum is 31.

Adding to 36651032113 its reverse (31123015663), we get a palindrome (67774047776).

The spelling of 36651032113 in words is "thirty-six billion, six hundred fifty-one million, thirty-two thousand, one hundred thirteen".