215201366745 has 8 divisors (see below), whose sum is σ = 344322186816. Its totient is φ = 114774062256.

The previous prime is 215201366729. The next prime is 215201366753. The reversal of 215201366745 is 547663102512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 215201366745 - 2⁴ = 215201366729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 215201366697 and 215201366706.

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, 7173378877 + ... + 7173378906.

It is an arithmetic number, because the mean of its divisors is an integer number (43040273352).

Almost surely, 2^215201366745 is an apocalyptic number.

It is an amenable number.

215201366745 is a deficient number, since it is larger than the sum of its proper divisors (129120820071).

215201366745 is a wasteful number, since it uses less digits than its factorization.

215201366745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14346757791.

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 215201366745 in words is "two hundred fifteen billion, two hundred one million, three hundred sixty-six thousand, seven hundred forty-five".