8645155852001 has 2 divisors, whose sum is σ = 8645155852002. Its totient is φ = 8645155852000.

The previous prime is 8645155851977. The next prime is 8645155852013. The reversal of 8645155852001 is 1002585515468.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7373527499776 + 1271628352225 = 2715424^2 + 1127665^2 .

It is a cyclic number.

It is not a de Polignac number, because 8645155852001 - 2³⁰ = 8644082110177 is a prime.

It is not a weakly prime, because it can be changed into another prime (8645155852031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4322577926000 + 4322577926001.

It is an arithmetic number, because the mean of its divisors is an integer number (4322577926001).

Almost surely, 2^{8645155852001} is an apocalyptic number.

It is an amenable number.

8645155852001 is a deficient number, since it is larger than the sum of its proper divisors (1).

8645155852001 is an equidigital number, since it uses as much as digits as its factorization.

8645155852001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920000, while the sum is 50.

The spelling of 8645155852001 in words is "eight trillion, six hundred forty-five billion, one hundred fifty-five million, eight hundred fifty-two thousand, one".