100055500500971 has 2 divisors, whose sum is σ = 100055500500972. Its totient is φ = 100055500500970.

The previous prime is 100055500500859. The next prime is 100055500501001. The reversal of 100055500500971 is 179005005550001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100055500500971 is a prime.

It is a super-2 number, since 2×100055500500971² (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 (100055503500971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50027750250485 + 50027750250486.

It is an arithmetic number, because the mean of its divisors is an integer number (50027750250486).

Almost surely, 2^{100055500500971} is an apocalyptic number.

100055500500971 is a deficient number, since it is larger than the sum of its proper divisors (1).

100055500500971 is an equidigital number, since it uses as much as digits as its factorization.

100055500500971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39375, while the sum is 38.

The spelling of 100055500500971 in words is "one hundred trillion, fifty-five billion, five hundred million, five hundred thousand, nine hundred seventy-one".