36613105221 has 64 divisors (see below), whose sum is σ = 62747596800. Its totient is φ = 18823150080.

The previous prime is 36613105213. The next prime is 36613105229. The reversal of 36613105221 is 12250131663.

It is an interprime number because it is at equal distance from previous prime (36613105213) and next prime (36613105229).

It is not a de Polignac number, because 36613105221 - 2³ = 36613105213 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36613105229) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1081270 + ... + 1114616.

It is an arithmetic number, because the mean of its divisors is an integer number (980431200).

Almost surely, 2^36613105221 is an apocalyptic number.

It is an amenable number.

36613105221 is a deficient number, since it is larger than the sum of its proper divisors (26134491579).

36613105221 is a wasteful number, since it uses less digits than its factorization.

36613105221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33479 (or 33465 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 36613105221 its reverse (12250131663), we get a palindrome (48863236884).

The spelling of 36613105221 in words is "thirty-six billion, six hundred thirteen million, one hundred five thousand, two hundred twenty-one".