245505260105 has 16 divisors (see below), whose sum is σ = 339263109504. Its totient is φ = 167061373440.

The previous prime is 245505260059. The next prime is 245505260129. The reversal of 245505260105 is 501062505542.

It is not a de Polignac number, because 245505260105 - 2²⁸ = 245236824649 is a prime.

It is a super-2 number, since 2×245505260105² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26768072 + ... + 26777241.

It is an arithmetic number, because the mean of its divisors is an integer number (21203944344).

Almost surely, 2^245505260105 is an apocalyptic number.

It is an amenable number.

245505260105 is a deficient number, since it is larger than the sum of its proper divisors (93757849399).

245505260105 is a wasteful number, since it uses less digits than its factorization.

245505260105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53545456.

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 245505260105 its reverse (501062505542), we get a palindrome (746567765647).

The spelling of 245505260105 in words is "two hundred forty-five billion, five hundred five million, two hundred sixty thousand, one hundred five".