18110837387 has 2 divisors, whose sum is σ = 18110837388. Its totient is φ = 18110837386.

The previous prime is 18110837369. The next prime is 18110837401. The reversal of 18110837387 is 78373801181.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18110837387 - 2¹² = 18110833291 is a prime.

It is not a weakly prime, because it can be changed into another prime (18110837317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9055418693 + 9055418694.

It is an arithmetic number, because the mean of its divisors is an integer number (9055418694).

Almost surely, 2^18110837387 is an apocalyptic number.

18110837387 is a deficient number, since it is larger than the sum of its proper divisors (1).

18110837387 is an equidigital number, since it uses as much as digits as its factorization.

18110837387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 47.

The spelling of 18110837387 in words is "eighteen billion, one hundred ten million, eight hundred thirty-seven thousand, three hundred eighty-seven".