20250115289 has 4 divisors (see below), whose sum is σ = 20250782160. Its totient is φ = 20249448420.

The previous prime is 20250115271. The next prime is 20250115313. The reversal of 20250115289 is 98251105202.

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 20250115289 - 2¹⁶ = 20250049753 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20250115229) 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, 285599 + ... + 349380.

It is an arithmetic number, because the mean of its divisors is an integer number (5062695540).

Almost surely, 2^20250115289 is an apocalyptic number.

It is an amenable number.

20250115289 is a deficient number, since it is larger than the sum of its proper divisors (666871).

20250115289 is an equidigital number, since it uses as much as digits as its factorization.

20250115289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666870.

The product of its (nonzero) digits is 14400, while the sum is 35.

The spelling of 20250115289 in words is "twenty billion, two hundred fifty million, one hundred fifteen thousand, two hundred eighty-nine".