215364204045 has 12 divisors (see below), whose sum is σ = 373297953756. Its totient is φ = 114860908800.

The previous prime is 215364204017. The next prime is 215364204089. The reversal of 215364204045 is 540402463512.

215364204045 is a `hidden beast` number, since 2 + 1 + 5 + 3 + 642 + 0 + 4 + 0 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 39087662436 + 176276541609 = 197706^2 + 419853^2 .

It is not a de Polignac number, because 215364204045 - 2¹² = 215364199949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2392935556 + ... + 2392935645.

It is an arithmetic number, because the mean of its divisors is an integer number (31108162813).

Almost surely, 2^215364204045 is an apocalyptic number.

It is an amenable number.

215364204045 is a deficient number, since it is larger than the sum of its proper divisors (157933749711).

215364204045 is a wasteful number, since it uses less digits than its factorization.

215364204045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4785871212 (or 4785871209 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 215364204045 its reverse (540402463512), we get a palindrome (755766667557).

The spelling of 215364204045 in words is "two hundred fifteen billion, three hundred sixty-four million, two hundred four thousand, forty-five".