245225121151 has 4 divisors (see below), whose sum is σ = 245771280000. Its totient is φ = 244678962304.

The previous prime is 245225121139. The next prime is 245225121191. The reversal of 245225121151 is 151121522542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245225121151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245225121121) 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, 273078751 + ... + 273079648.

It is an arithmetic number, because the mean of its divisors is an integer number (61442820000).

Almost surely, 2^245225121151 is an apocalyptic number.

245225121151 is a deficient number, since it is larger than the sum of its proper divisors (546158849).

245225121151 is an equidigital number, since it uses as much as digits as its factorization.

245225121151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546158848.

The product of its digits is 8000, while the sum is 31.

Adding to 245225121151 its reverse (151121522542), we get a palindrome (396346643693).

The spelling of 245225121151 in words is "two hundred forty-five billion, two hundred twenty-five million, one hundred twenty-one thousand, one hundred fifty-one".