52511512350181 has 2 divisors, whose sum is σ = 52511512350182. Its totient is φ = 52511512350180.

The previous prime is 52511512350151. The next prime is 52511512350317. The reversal of 52511512350181 is 18105321511525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45308595719556 + 7202916630625 = 6731166^2 + 2683825^2 .

It is a cyclic number.

It is not a de Polignac number, because 52511512350181 - 2¹⁹ = 52511511825893 is a prime.

It is a super-2 number, since 2×52511512350181² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52511512350131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26255756175090 + 26255756175091.

It is an arithmetic number, because the mean of its divisors is an integer number (26255756175091).

Almost surely, 2^{52511512350181} is an apocalyptic number.

It is an amenable number.

52511512350181 is a deficient number, since it is larger than the sum of its proper divisors (1).

52511512350181 is an equidigital number, since it uses as much as digits as its factorization.

52511512350181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60000, while the sum is 40.

The spelling of 52511512350181 in words is "fifty-two trillion, five hundred eleven billion, five hundred twelve million, three hundred fifty thousand, one hundred eighty-one".