28141250601 has 4 divisors (see below), whose sum is σ = 37521667472. Its totient is φ = 18760833732.

The previous prime is 28141250581. The next prime is 28141250623. The reversal of 28141250601 is 10605214182.

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 de Polignac number, because none of the positive numbers 2^k-28141250601 is a prime.

It is a super-2 number, since 2×28141250601² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28141250801) 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, 4690208431 + ... + 4690208436.

It is an arithmetic number, because the mean of its divisors is an integer number (9380416868).

Almost surely, 2^28141250601 is an apocalyptic number.

It is an amenable number.

28141250601 is a deficient number, since it is larger than the sum of its proper divisors (9380416871).

28141250601 is an equidigital number, since it uses as much as digits as its factorization.

28141250601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9380416870.

The product of its (nonzero) digits is 3840, while the sum is 30.

Adding to 28141250601 its reverse (10605214182), we get a palindrome (38746464783).

The spelling of 28141250601 in words is "twenty-eight billion, one hundred forty-one million, two hundred fifty thousand, six hundred one".