245204115011 has 4 divisors (see below), whose sum is σ = 251184703224. Its totient is φ = 239223526800.

The previous prime is 245204114999. The next prime is 245204115031. The reversal of 245204115011 is 110511402542.

It is a happy number.

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-245204115011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245204115031) 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, 2990294045 + ... + 2990294126.

It is an arithmetic number, because the mean of its divisors is an integer number (62796175806).

Almost surely, 2^245204115011 is an apocalyptic number.

245204115011 is a deficient number, since it is larger than the sum of its proper divisors (5980588213).

245204115011 is an equidigital number, since it uses as much as digits as its factorization.

245204115011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5980588212.

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 245204115011 its reverse (110511402542), we get a palindrome (355715517553).

The spelling of 245204115011 in words is "two hundred forty-five billion, two hundred four million, one hundred fifteen thousand, eleven".