141639025081 has 2 divisors, whose sum is σ = 141639025082. Its totient is φ = 141639025080.

The previous prime is 141639024979. The next prime is 141639025097. The reversal of 141639025081 is 180520936141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139991964025 + 1647061056 = 374155^2 + 40584^2 .

It is a cyclic number.

It is not a de Polignac number, because 141639025081 - 2¹³ = 141639016889 is a prime.

It is a super-2 number, since 2×141639025081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (141639025481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70819512540 + 70819512541.

It is an arithmetic number, because the mean of its divisors is an integer number (70819512541).

Almost surely, 2^141639025081 is an apocalyptic number.

It is an amenable number.

141639025081 is a deficient number, since it is larger than the sum of its proper divisors (1).

141639025081 is an equidigital number, since it uses as much as digits as its factorization.

141639025081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 141639025081 in words is "one hundred forty-one billion, six hundred thirty-nine million, twenty-five thousand, eighty-one".