245240025105 has 32 divisors (see below), whose sum is σ = 406563649920. Its totient is φ = 126151800320.

The previous prime is 245240025091. The next prime is 245240025209. The reversal of 245240025105 is 501520042542.

It is not a de Polignac number, because 245240025105 - 2¹² = 245240021009 is a prime.

It is a super-2 number, since 2×245240025105² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2567316 + ... + 2661125.

It is an arithmetic number, because the mean of its divisors is an integer number (12705114060).

Almost surely, 2^245240025105 is an apocalyptic number.

It is an amenable number.

245240025105 is a deficient number, since it is larger than the sum of its proper divisors (161323624815).

245240025105 is a wasteful number, since it uses less digits than its factorization.

245240025105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5228561.

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 245240025105 its reverse (501520042542), we get a palindrome (746760067647).

The spelling of 245240025105 in words is "two hundred forty-five billion, two hundred forty million, twenty-five thousand, one hundred five".