53641051081 has 2 divisors, whose sum is σ = 53641051082. Its totient is φ = 53641051080.

The previous prime is 53641051039. The next prime is 53641051091. The reversal of 53641051081 is 18015014635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53218337481 + 422713600 = 230691^2 + 20560^2 .

It is a cyclic number.

It is not a de Polignac number, because 53641051081 - 2¹⁷ = 53640920009 is a prime.

It is a super-2 number, since 2×53641051081² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53641051001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26820525540 + 26820525541.

It is an arithmetic number, because the mean of its divisors is an integer number (26820525541).

Almost surely, 2^53641051081 is an apocalyptic number.

It is an amenable number.

53641051081 is a deficient number, since it is larger than the sum of its proper divisors (1).

53641051081 is an equidigital number, since it uses as much as digits as its factorization.

53641051081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 34.

The spelling of 53641051081 in words is "fifty-three billion, six hundred forty-one million, fifty-one thousand, eighty-one".