2145326655001 has 2 divisors, whose sum is σ = 2145326655002. Its totient is φ = 2145326655000.

The previous prime is 2145326654963. The next prime is 2145326655029. The reversal of 2145326655001 is 1005566235412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2134006758976 + 11319896025 = 1460824^2 + 106395^2 .

It is a cyclic number.

It is not a de Polignac number, because 2145326655001 - 2¹³ = 2145326646809 is a prime.

It is not a weakly prime, because it can be changed into another prime (2145326655091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072663327500 + 1072663327501.

It is an arithmetic number, because the mean of its divisors is an integer number (1072663327501).

Almost surely, 2^{2145326655001} is an apocalyptic number.

It is an amenable number.

2145326655001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145326655001 is an equidigital number, since it uses as much as digits as its factorization.

2145326655001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 2145326655001 in words is "two trillion, one hundred forty-five billion, three hundred twenty-six million, six hundred fifty-five thousand, one".