26125032161 has 2 divisors, whose sum is σ = 26125032162. Its totient is φ = 26125032160.

The previous prime is 26125032127. The next prime is 26125032181. The reversal of 26125032161 is 16123052162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20001030625 + 6124001536 = 141425^2 + 78256^2 .

It is a cyclic number.

It is not a de Polignac number, because 26125032161 - 2⁶ = 26125032097 is a prime.

It is a super-3 number, since 3×26125032161³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (26125032181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13062516080 + 13062516081.

It is an arithmetic number, because the mean of its divisors is an integer number (13062516081).

Almost surely, 2^26125032161 is an apocalyptic number.

It is an amenable number.

26125032161 is a deficient number, since it is larger than the sum of its proper divisors (1).

26125032161 is an equidigital number, since it uses as much as digits as its factorization.

26125032161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 26125032161 in words is "twenty-six billion, one hundred twenty-five million, thirty-two thousand, one hundred sixty-one".