100530541247771 has 2 divisors, whose sum is σ = 100530541247772. Its totient is φ = 100530541247770.

The previous prime is 100530541247699. The next prime is 100530541247819. The reversal of 100530541247771 is 177742145035001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100530541247771 is a prime.

It is a super-2 number, since 2×100530541247771² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (100530541447771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50265270623885 + 50265270623886.

It is an arithmetic number, because the mean of its divisors is an integer number (50265270623886).

Almost surely, 2^{100530541247771} is an apocalyptic number.

100530541247771 is a deficient number, since it is larger than the sum of its proper divisors (1).

100530541247771 is an equidigital number, since it uses as much as digits as its factorization.

100530541247771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 823200, while the sum is 47.

The spelling of 100530541247771 in words is "one hundred trillion, five hundred thirty billion, five hundred forty-one million, two hundred forty-seven thousand, seven hundred seventy-one".