25420210113 has 16 divisors (see below), whose sum is σ = 34311816000. Its totient is φ = 16738977600.

The previous prime is 25420210093. The next prime is 25420210117. The reversal of 25420210113 is 31101202452.

It is not a de Polignac number, because 25420210113 - 2¹³ = 25420201921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25420210113.

It is not an unprimeable number, because it can be changed into a prime (25420210117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78838 + ... + 238863.

It is an arithmetic number, because the mean of its divisors is an integer number (2144488500).

Almost surely, 2^25420210113 is an apocalyptic number.

It is an amenable number.

25420210113 is a deficient number, since it is larger than the sum of its proper divisors (8891605887).

25420210113 is a wasteful number, since it uses less digits than its factorization.

25420210113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318032.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 25420210113 its reverse (31101202452), we get a palindrome (56521412565).

The spelling of 25420210113 in words is "twenty-five billion, four hundred twenty million, two hundred ten thousand, one hundred thirteen".