1235513342025 has 36 divisors (see below), whose sum is σ = 2213016792012. Its totient is φ = 658918081920.

The previous prime is 1235513342009. The next prime is 1235513342051. The reversal of 1235513342025 is 5202433155321.

1235513342025 is a `hidden beast` number, since 1 + 235 + 51 + 334 + 20 + 25 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 42996925449 + 1192516416576 = 207357^2 + 1092024^2 .

It is not a de Polignac number, because 1235513342025 - 2⁴ = 1235513342009 is a prime.

It is a super-2 number, since 2×1235513342025² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8177467 + ... + 8327183.

It is an arithmetic number, because the mean of its divisors is an integer number (61472688667).

Almost surely, 2^{1235513342025} is an apocalyptic number.

1235513342025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1235513342025 is a deficient number, since it is larger than the sum of its proper divisors (977503449987).

1235513342025 is a wasteful number, since it uses less digits than its factorization.

1235513342025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186410 (or 186402 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 1235513342025 its reverse (5202433155321), we get a palindrome (6437946497346).

The spelling of 1235513342025 in words is "one trillion, two hundred thirty-five billion, five hundred thirteen million, three hundred forty-two thousand, twenty-five".