36605604451545 has 64 divisors (see below), whose sum is σ = 66207107635200. Its totient is φ = 19184120637120.

The previous prime is 36605604451541. The next prime is 36605604451553. The reversal of 36605604451545 is 54515440650663.

36605604451545 is a `hidden beast` number, since 3 + 6 + 6 + 0 + 5 + 6 + 0 + 44 + 51 + 545 = 666.

It is not a de Polignac number, because 36605604451545 - 2² = 36605604451541 is a prime.

It is a super-2 number, since 2×36605604451545² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 36605604451491 and 36605604451500.

It is not an unprimeable number, because it can be changed into a prime (36605604451541) 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, 18250524 + ... + 20156706.

It is an arithmetic number, because the mean of its divisors is an integer number (1034486056800).

Almost surely, 2^{36605604451545} is an apocalyptic number.

It is an amenable number.

36605604451545 is a deficient number, since it is larger than the sum of its proper divisors (29601503183655).

36605604451545 is a wasteful number, since it uses less digits than its factorization.

36605604451545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908667 (or 1908661 counting only the distinct ones).

The product of its (nonzero) digits is 25920000, while the sum is 54.

The spelling of 36605604451545 in words is "thirty-six trillion, six hundred five billion, six hundred four million, four hundred fifty-one thousand, five hundred forty-five".