1025216125201 has 4 divisors (see below), whose sum is σ = 1025230414900. Its totient is φ = 1025201835504.

The previous prime is 1025216125169. The next prime is 1025216125223.

1025216125201 is nontrivially palindromic in base 10.

1025216125201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 327321294400 + 697894830801 = 572120^2 + 835401^2 .

It is a cyclic number.

It is not a de Polignac number, because 1025216125201 - 2⁵ = 1025216125169 is a prime.

It is a super-3 number, since 3×1025216125201³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1025216125201.

It is not an unprimeable number, because it can be changed into a prime (1025216125261) 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, 7036686 + ... + 7180903.

It is an arithmetic number, because the mean of its divisors is an integer number (256307603725).

Almost surely, 2^{1025216125201} is an apocalyptic number.

It is an amenable number.

1025216125201 is a deficient number, since it is larger than the sum of its proper divisors (14289699).

1025216125201 is an equidigital number, since it uses as much as digits as its factorization.

1025216125201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14289698.

The product of its (nonzero) digits is 2400, while the sum is 28.

The spelling of 1025216125201 in words is "one trillion, twenty-five billion, two hundred sixteen million, one hundred twenty-five thousand, two hundred one".