141557100438521 has 2 divisors, whose sum is σ = 141557100438522. Its totient is φ = 141557100438520.

The previous prime is 141557100438473. The next prime is 141557100438679. The reversal of 141557100438521 is 125834001755141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92978500511296 + 48578599927225 = 9642536^2 + 6969835^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141557100438521 is a prime.

It is not a weakly prime, because it can be changed into another prime (141557100438121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70778550219260 + 70778550219261.

It is an arithmetic number, because the mean of its divisors is an integer number (70778550219261).

Almost surely, 2^{141557100438521} is an apocalyptic number.

It is an amenable number.

141557100438521 is a deficient number, since it is larger than the sum of its proper divisors (1).

141557100438521 is an equidigital number, since it uses as much as digits as its factorization.

141557100438521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672000, while the sum is 47.

The spelling of 141557100438521 in words is "one hundred forty-one trillion, five hundred fifty-seven billion, one hundred million, four hundred thirty-eight thousand, five hundred twenty-one".