2545366144201 has 4 divisors (see below), whose sum is σ = 2614159823812. Its totient is φ = 2476572464592.

The previous prime is 2545366144171. The next prime is 2545366144213. The reversal of 2545366144201 is 1024416635452.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2288636454976 + 256729689225 = 1512824^2 + 506685^2 .

It is a cyclic number.

It is not a de Polignac number, because 2545366144201 - 2⁵ = 2545366144169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2545366144261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34396839750 + ... + 34396839823.

It is an arithmetic number, because the mean of its divisors is an integer number (653539955953).

Almost surely, 2^{2545366144201} is an apocalyptic number.

It is an amenable number.

2545366144201 is a deficient number, since it is larger than the sum of its proper divisors (68793679611).

2545366144201 is an equidigital number, since it uses as much as digits as its factorization.

2545366144201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68793679610.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 2545366144201 in words is "two trillion, five hundred forty-five billion, three hundred sixty-six million, one hundred forty-four thousand, two hundred one".