218736540001 has 8 divisors (see below), whose sum is σ = 256081803264. Its totient is φ = 182915573280.

The previous prime is 218736539993. The next prime is 218736540013. The reversal of 218736540001 is 100045637812.

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

It is a cyclic number.

It is not a de Polignac number, because 218736540001 - 2³ = 218736539993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (218736540091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381073825 + ... + 381074398.

It is an arithmetic number, because the mean of its divisors is an integer number (32010225408).

Almost surely, 2^218736540001 is an apocalyptic number.

It is an amenable number.

218736540001 is a deficient number, since it is larger than the sum of its proper divisors (37345263263).

218736540001 is an equidigital number, since it uses as much as digits as its factorization.

218736540001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762148271.

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 218736540001 in words is "two hundred eighteen billion, seven hundred thirty-six million, five hundred forty thousand, one".