36631776652261 has 8 divisors (see below), whose sum is σ = 41865118225920. Its totient is φ = 31398492734448.

The previous prime is 36631776652249. The next prime is 36631776652279. The reversal of 36631776652261 is 16225667713663.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36631776652261 - 2¹⁷ = 36631776521189 is a prime.

It is a super-2 number, since 2×36631776652261² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36631776652261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36631776652241) 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 7 ways as a sum of consecutive naturals, for example, 13043806 + ... + 15601423.

It is an arithmetic number, because the mean of its divisors is an integer number (5233139778240).

Almost surely, 2^{36631776652261} is an apocalyptic number.

It is an amenable number.

36631776652261 is a deficient number, since it is larger than the sum of its proper divisors (5233341573659).

36631776652261 is a wasteful number, since it uses less digits than its factorization.

36631776652261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28827923.

The product of its digits is 68584320, while the sum is 61.

The spelling of 36631776652261 in words is "thirty-six trillion, six hundred thirty-one billion, seven hundred seventy-six million, six hundred fifty-two thousand, two hundred sixty-one".