20240251152125 has 8 divisors (see below), whose sum is σ = 25259833438008. Its totient is φ = 16192200921600.

The previous prime is 20240251152103. The next prime is 20240251152161. The reversal of 20240251152125 is 52125115204202.

It can be written as a sum of positive squares in 4 ways, for example, as 5401222346809 + 14839028805316 = 2324053^2 + 3852146^2 .

It is not a de Polignac number, because 20240251152125 - 2²⁸ = 20239982716669 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20240251152091 and 20240251152100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80961004484 + ... + 80961004733.

It is an arithmetic number, because the mean of its divisors is an integer number (3157479179751).

Almost surely, 2^{20240251152125} is an apocalyptic number.

20240251152125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20240251152125 is a deficient number, since it is larger than the sum of its proper divisors (5019582285883).

20240251152125 is an equidigital number, since it uses as much as digits as its factorization.

20240251152125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161922009232 (or 161922009222 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 20240251152125 its reverse (52125115204202), we get a palindrome (72365366356327).

The spelling of 20240251152125 in words is "twenty trillion, two hundred forty billion, two hundred fifty-one million, one hundred fifty-two thousand, one hundred twenty-five".