36801873581 has 16 divisors (see below), whose sum is σ = 42515238528. Its totient is φ = 31483699200.

The previous prime is 36801873551. The next prime is 36801873587. The reversal of 36801873581 is 18537810863.

It is a cyclic number.

It is not a de Polignac number, because 36801873581 - 2¹⁰ = 36801872557 is a prime.

It is a super-2 number, since 2×36801873581² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36801873587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2266016 + ... + 2282198.

It is an arithmetic number, because the mean of its divisors is an integer number (2657202408).

Almost surely, 2^36801873581 is an apocalyptic number.

It is an amenable number.

36801873581 is a deficient number, since it is larger than the sum of its proper divisors (5713364947).

36801873581 is a wasteful number, since it uses less digits than its factorization.

36801873581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28372.

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 36801873581 in words is "thirty-six billion, eight hundred one million, eight hundred seventy-three thousand, five hundred eighty-one".