18052871651 has 2 divisors, whose sum is σ = 18052871652. Its totient is φ = 18052871650.

The previous prime is 18052871633. The next prime is 18052871671. The reversal of 18052871651 is 15617825081.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18052871651 - 2¹⁸ = 18052609507 is a prime.

It is not a weakly prime, because it can be changed into another prime (18052871671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9026435825 + 9026435826.

It is an arithmetic number, because the mean of its divisors is an integer number (9026435826).

Almost surely, 2^18052871651 is an apocalyptic number.

18052871651 is a deficient number, since it is larger than the sum of its proper divisors (1).

18052871651 is an equidigital number, since it uses as much as digits as its factorization.

18052871651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 134400, while the sum is 44.

The spelling of 18052871651 in words is "eighteen billion, fifty-two million, eight hundred seventy-one thousand, six hundred fifty-one".