36561053317173 has 128 divisors (see below), whose sum is σ = 63927759667200. Its totient is φ = 18034610860800.

The previous prime is 36561053317133. The next prime is 36561053317183. The reversal of 36561053317173 is 37171335016563.

It is not a de Polignac number, because 36561053317173 - 2¹⁸ = 36561053055029 is a prime.

It is a super-2 number, since 2×36561053317173² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36561053317133) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 80169168 + ... + 80623926.

It is an arithmetic number, because the mean of its divisors is an integer number (499435622400).

Almost surely, 2^{36561053317173} is an apocalyptic number.

36561053317173 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

36561053317173 is a deficient number, since it is larger than the sum of its proper divisors (27366706350027).

36561053317173 is a wasteful number, since it uses less digits than its factorization.

36561053317173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455023.

The product of its (nonzero) digits is 3572100, while the sum is 51.

The spelling of 36561053317173 in words is "thirty-six trillion, five hundred sixty-one billion, fifty-three million, three hundred seventeen thousand, one hundred seventy-three".