25145242051201 has 4 divisors (see below), whose sum is σ = 25145494899712. Its totient is φ = 25144989202692.

The previous prime is 25145242051183. The next prime is 25145242051207. The reversal of 25145242051201 is 10215024254152.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25145242051201 - 2⁵ = 25145242051169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25145242051207) 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, 126275025 + ... + 126473998.

It is an arithmetic number, because the mean of its divisors is an integer number (6286373724928).

Almost surely, 2^{25145242051201} is an apocalyptic number.

It is an amenable number.

25145242051201 is a deficient number, since it is larger than the sum of its proper divisors (252848511).

25145242051201 is an equidigital number, since it uses as much as digits as its factorization.

25145242051201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252848510.

The product of its (nonzero) digits is 32000, while the sum is 34.

The spelling of 25145242051201 in words is "twenty-five trillion, one hundred forty-five billion, two hundred forty-two million, fifty-one thousand, two hundred one".