245401404211005 has 16 divisors (see below), whose sum is σ = 448733996271744. Its totient is φ = 112183499067840.

The previous prime is 245401404211001. The next prime is 245401404211057. The reversal of 245401404211005 is 500112404104542.

It is not a de Polignac number, because 245401404211005 - 2² = 245401404211001 is a prime.

It is a super-2 number, since 2×245401404211005² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245401404211001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1168578115186 + ... + 1168578115395.

It is an arithmetic number, because the mean of its divisors is an integer number (28045874766984).

Almost surely, 2^{245401404211005} is an apocalyptic number.

It is an amenable number.

245401404211005 is a deficient number, since it is larger than the sum of its proper divisors (203332592060739).

245401404211005 is a wasteful number, since it uses less digits than its factorization.

245401404211005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2337156230596.

The product of its (nonzero) digits is 25600, while the sum is 33.

Adding to 245401404211005 its reverse (500112404104542), we get a palindrome (745513808315547).

The spelling of 245401404211005 in words is "two hundred forty-five trillion, four hundred one billion, four hundred four million, two hundred eleven thousand, five".