18100080587 has 2 divisors, whose sum is σ = 18100080588. Its totient is φ = 18100080586.

The previous prime is 18100080569. The next prime is 18100080631. The reversal of 18100080587 is 78508000181.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18100080587 - 2³⁴ = 920211403 is a prime.

It is a super-2 number, since 2×18100080587² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18100080587.

It is not a weakly prime, because it can be changed into another prime (18100080287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9050040293 + 9050040294.

It is an arithmetic number, because the mean of its divisors is an integer number (9050040294).

Almost surely, 2^18100080587 is an apocalyptic number.

18100080587 is a deficient number, since it is larger than the sum of its proper divisors (1).

18100080587 is an equidigital number, since it uses as much as digits as its factorization.

18100080587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17920, while the sum is 38.

The spelling of 18100080587 in words is "eighteen billion, one hundred million, eighty thousand, five hundred eighty-seven".