103215530025 has 18 divisors (see below), whose sum is σ = 184870483070. Its totient is φ = 55048282560.

The previous prime is 103215530021. The next prime is 103215530057. The reversal of 103215530025 is 520035512301.

It is a happy number.

103215530025 is a `hidden beast` number, since 10 + 321 + 5 + 5 + 300 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 43520409 + 103172009616 = 6597^2 + 321204^2 .

It is not a de Polignac number, because 103215530025 - 2² = 103215530021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103215530021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 229367620 + ... + 229368069.

Almost surely, 2^103215530025 is an apocalyptic number.

103215530025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103215530025 is a deficient number, since it is larger than the sum of its proper divisors (81654953045).

103215530025 is a wasteful number, since it uses less digits than its factorization.

103215530025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458735705 (or 458735697 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The spelling of 103215530025 in words is "one hundred three billion, two hundred fifteen million, five hundred thirty thousand, twenty-five".