36553421145 has 8 divisors (see below), whose sum is σ = 58485473856. Its totient is φ = 19495157936.

The previous prime is 36553421089. The next prime is 36553421159. The reversal of 36553421145 is 54112435563.

It is a happy number.

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 36553421145 - 2¹⁸ = 36553159001 is a prime.

It is a super-2 number, since 2×36553421145² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1218447357 + ... + 1218447386.

It is an arithmetic number, because the mean of its divisors is an integer number (7310684232).

Almost surely, 2^36553421145 is an apocalyptic number.

It is an amenable number.

36553421145 is a deficient number, since it is larger than the sum of its proper divisors (21932052711).

36553421145 is a wasteful number, since it uses less digits than its factorization.

36553421145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2436894751.

The product of its digits is 216000, while the sum is 39.

The spelling of 36553421145 in words is "thirty-six billion, five hundred fifty-three million, four hundred twenty-one thousand, one hundred forty-five".