218715099053 has 16 divisors (see below), whose sum is σ = 240973911360. Its totient is φ = 196861910400.

The previous prime is 218715099023. The next prime is 218715099061. The reversal of 218715099053 is 350990517812.

It is a cyclic number.

It is not a de Polignac number, because 218715099053 - 2¹⁶ = 218715033517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 218715098992 and 218715099010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218715099023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209993 + ... + 693921.

It is an arithmetic number, because the mean of its divisors is an integer number (15060869460).

Almost surely, 2^218715099053 is an apocalyptic number.

It is an amenable number.

218715099053 is a deficient number, since it is larger than the sum of its proper divisors (22258812307).

218715099053 is a wasteful number, since it uses less digits than its factorization.

218715099053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484348.

The product of its (nonzero) digits is 680400, while the sum is 50.

The spelling of 218715099053 in words is "two hundred eighteen billion, seven hundred fifteen million, ninety-nine thousand, fifty-three".