100551055101191 has 2 divisors, whose sum is σ = 100551055101192. Its totient is φ = 100551055101190.

The previous prime is 100551055101071. The next prime is 100551055101199. The reversal of 100551055101191 is 191101550155001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100551055101191 is a prime.

It is a super-2 number, since 2×100551055101191² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100551055101199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50275527550595 + 50275527550596.

It is an arithmetic number, because the mean of its divisors is an integer number (50275527550596).

Almost surely, 2^{100551055101191} is an apocalyptic number.

100551055101191 is a deficient number, since it is larger than the sum of its proper divisors (1).

100551055101191 is an equidigital number, since it uses as much as digits as its factorization.

100551055101191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5625, while the sum is 35.

The spelling of 100551055101191 in words is "one hundred trillion, five hundred fifty-one billion, fifty-five million, one hundred one thousand, one hundred ninety-one".