141927251681 has 2 divisors, whose sum is σ = 141927251682. Its totient is φ = 141927251680.

The previous prime is 141927251657. The next prime is 141927251689. The reversal of 141927251681 is 186152729141.

141927251681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105375547456 + 36551704225 = 324616^2 + 191185^2 .

It is a cyclic number.

It is not a de Polignac number, because 141927251681 - 2²² = 141923057377 is a prime.

It is a super-2 number, since 2×141927251681² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (141927251689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70963625840 + 70963625841.

It is an arithmetic number, because the mean of its divisors is an integer number (70963625841).

Almost surely, 2^141927251681 is an apocalyptic number.

It is an amenable number.

141927251681 is a deficient number, since it is larger than the sum of its proper divisors (1).

141927251681 is an equidigital number, since it uses as much as digits as its factorization.

141927251681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 47.

The spelling of 141927251681 in words is "one hundred forty-one billion, nine hundred twenty-seven million, two hundred fifty-one thousand, six hundred eighty-one".