20525034135241 has 2 divisors, whose sum is σ = 20525034135242. Its totient is φ = 20525034135240.

The previous prime is 20525034135223. The next prime is 20525034135257. The reversal of 20525034135241 is 14253143052502.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20334724435216 + 190309700025 = 4509404^2 + 436245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20525034135241 is a prime.

It is a super-4 number, since 4×20525034135241⁴ (a number of 54 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20525034135241.

It is not a weakly prime, because it can be changed into another prime (20525034115241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10262517067620 + 10262517067621.

It is an arithmetic number, because the mean of its divisors is an integer number (10262517067621).

Almost surely, 2^{20525034135241} is an apocalyptic number.

It is an amenable number.

20525034135241 is a deficient number, since it is larger than the sum of its proper divisors (1).

20525034135241 is an equidigital number, since it uses as much as digits as its factorization.

20525034135241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 20525034135241 its reverse (14253143052502), we get a palindrome (34778177187743).

The spelling of 20525034135241 in words is "twenty trillion, five hundred twenty-five billion, thirty-four million, one hundred thirty-five thousand, two hundred forty-one".