18670915130801 has 2 divisors, whose sum is σ = 18670915130802. Its totient is φ = 18670915130800.

The previous prime is 18670915130759. The next prime is 18670915130821. The reversal of 18670915130801 is 10803151907681.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17897333314576 + 773581816225 = 4230524^2 + 879535^2 .

It is a cyclic number.

It is not a de Polignac number, because 18670915130801 - 2³⁸ = 18396037223857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18670915130801.

It is not a weakly prime, because it can be changed into another prime (18670915130821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9335457565400 + 9335457565401.

It is an arithmetic number, because the mean of its divisors is an integer number (9335457565401).

Almost surely, 2^{18670915130801} is an apocalyptic number.

It is an amenable number.

18670915130801 is a deficient number, since it is larger than the sum of its proper divisors (1).

18670915130801 is an equidigital number, since it uses as much as digits as its factorization.

18670915130801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 50.

The spelling of 18670915130801 in words is "eighteen trillion, six hundred seventy billion, nine hundred fifteen million, one hundred thirty thousand, eight hundred one".