2145125053301 has 4 divisors (see below), whose sum is σ = 2148742465452. Its totient is φ = 2141507641152.

The previous prime is 2145125053289. The next prime is 2145125053333. The reversal of 2145125053301 is 1033505215412.

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 1306666179025 + 838458874276 = 1143095^2 + 915674^2 .

It is a cyclic number.

It is not a de Polignac number, because 2145125053301 - 2¹⁰ = 2145125052277 is a prime.

It is a super-2 number, since 2×2145125053301² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145125053601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1808705186 + ... + 1808706371.

It is an arithmetic number, because the mean of its divisors is an integer number (537185616363).

Almost surely, 2^{2145125053301} is an apocalyptic number.

It is an amenable number.

2145125053301 is a deficient number, since it is larger than the sum of its proper divisors (3617412151).

2145125053301 is an equidigital number, since it uses as much as digits as its factorization.

2145125053301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3617412150.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 2145125053301 in words is "two trillion, one hundred forty-five billion, one hundred twenty-five million, fifty-three thousand, three hundred one".