1235520224025 has 24 divisors (see below), whose sum is σ = 2055258856800. Its totient is φ = 654901511040.

The previous prime is 1235520224021. The next prime is 1235520224089. The reversal of 1235520224025 is 5204220255321.

It is not a de Polignac number, because 1235520224025 - 2² = 1235520224021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1235520224021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50520300 + ... + 50544749.

It is an arithmetic number, because the mean of its divisors is an integer number (85635785700).

Almost surely, 2^{1235520224025} is an apocalyptic number.

1235520224025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1235520224025 is a deficient number, since it is larger than the sum of its proper divisors (819738632775).

1235520224025 is a wasteful number, since it uses less digits than its factorization.

1235520224025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101065225 (or 101065220 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 1235520224025 its reverse (5204220255321), we get a palindrome (6439740479346).

The spelling of 1235520224025 in words is "one trillion, two hundred thirty-five billion, five hundred twenty million, two hundred twenty-four thousand, twenty-five".