36540262081 has 16 divisors (see below), whose sum is σ = 38575555200. Its totient is φ = 34544568960.

The previous prime is 36540262069. The next prime is 36540262147. The reversal of 36540262081 is 18026204563.

It is a cyclic number.

It is not a de Polignac number, because 36540262081 - 2¹³ = 36540253889 is a prime.

It is a super-2 number, since 2×36540262081² (a number of 22 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 36540262081.

It is not an unprimeable number, because it can be changed into a prime (36540262051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 651645 + ... + 705493.

It is an arithmetic number, because the mean of its divisors is an integer number (2410972200).

Almost surely, 2^36540262081 is an apocalyptic number.

It is an amenable number.

36540262081 is a deficient number, since it is larger than the sum of its proper divisors (2035293119).

36540262081 is a wasteful number, since it uses less digits than its factorization.

36540262081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54216.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 36540262081 in words is "thirty-six billion, five hundred forty million, two hundred sixty-two thousand, eighty-one".