36781015081 has 8 divisors (see below), whose sum is σ = 38718956000. Its totient is φ = 34843284000.

The previous prime is 36781015069. The next prime is 36781015097. The reversal of 36781015081 is 18051018763.

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

It is a cyclic number.

It is not a de Polignac number, because 36781015081 - 2¹¹ = 36781013033 is a prime.

It is a super-2 number, since 2×36781015081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36781015181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413581 + ... + 494581.

It is an arithmetic number, because the mean of its divisors is an integer number (4839869500).

Almost surely, 2^36781015081 is an apocalyptic number.

It is an amenable number.

36781015081 is a deficient number, since it is larger than the sum of its proper divisors (1937940919).

36781015081 is a wasteful number, since it uses less digits than its factorization.

36781015081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104919.

The product of its (nonzero) digits is 40320, while the sum is 40.

The spelling of 36781015081 in words is "thirty-six billion, seven hundred eighty-one million, fifteen thousand, eighty-one".