220115252425 has 24 divisors (see below), whose sum is σ = 293311825056. Its totient is φ = 163260176640.

The previous prime is 220115252407. The next prime is 220115252473. The reversal of 220115252425 is 524252511022.

It is not a de Polignac number, because 220115252425 - 2⁹ = 220115251913 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3836587 + ... + 3893536.

It is an arithmetic number, because the mean of its divisors is an integer number (12221326044).

Almost surely, 2^220115252425 is an apocalyptic number.

220115252425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220115252425 is a deficient number, since it is larger than the sum of its proper divisors (73196572631).

220115252425 is a wasteful number, since it uses less digits than its factorization.

220115252425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7730217 (or 7730212 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 220115252425 its reverse (524252511022), we get a palindrome (744367763447).

The spelling of 220115252425 in words is "two hundred twenty billion, one hundred fifteen million, two hundred fifty-two thousand, four hundred twenty-five".