10172041081 has 2 divisors, whose sum is σ = 10172041082. Its totient is φ = 10172041080.

The previous prime is 10172041063. The next prime is 10172041123. The reversal of 10172041081 is 18014027101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6547399056 + 3624642025 = 80916^2 + 60205^2 .

It is a cyclic number.

It is not a de Polignac number, because 10172041081 - 2¹³ = 10172032889 is a prime.

It is a super-2 number, since 2×10172041081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10172041021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5086020540 + 5086020541.

It is an arithmetic number, because the mean of its divisors is an integer number (5086020541).

Almost surely, 2^10172041081 is an apocalyptic number.

It is an amenable number.

10172041081 is a deficient number, since it is larger than the sum of its proper divisors (1).

10172041081 is an equidigital number, since it uses as much as digits as its factorization.

10172041081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 25.

Adding to 10172041081 its reverse (18014027101), we get a palindrome (28186068182).

The spelling of 10172041081 in words is "ten billion, one hundred seventy-two million, forty-one thousand, eighty-one".