18053187601 has 2 divisors, whose sum is σ = 18053187602. Its totient is φ = 18053187600.

The previous prime is 18053187599. The next prime is 18053187643. The reversal of 18053187601 is 10678135081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13957059600 + 4096128001 = 118140^2 + 64001^2 .

It is a cyclic number.

It is not a de Polignac number, because 18053187601 - 2¹ = 18053187599 is a prime.

Together with 18053187599, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (18053187101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9026593800 + 9026593801.

It is an arithmetic number, because the mean of its divisors is an integer number (9026593801).

Almost surely, 2^18053187601 is an apocalyptic number.

It is an amenable number.

18053187601 is a deficient number, since it is larger than the sum of its proper divisors (1).

18053187601 is an equidigital number, since it uses as much as digits as its factorization.

18053187601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 40.

The spelling of 18053187601 in words is "eighteen billion, fifty-three million, one hundred eighty-seven thousand, six hundred one".