100155791605447 has 2 divisors, whose sum is σ = 100155791605448. Its totient is φ = 100155791605446.

The previous prime is 100155791605417. The next prime is 100155791605451. The reversal of 100155791605447 is 744506197551001.

It is a strong prime.

It is an emirp because it is prime and its reverse (744506197551001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100155791605447 - 2⁷ = 100155791605319 is a prime.

It is a super-2 number, since 2×100155791605447² (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 (100155791605417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50077895802723 + 50077895802724.

It is an arithmetic number, because the mean of its divisors is an integer number (50077895802724).

Almost surely, 2^{100155791605447} is an apocalyptic number.

100155791605447 is a deficient number, since it is larger than the sum of its proper divisors (1).

100155791605447 is an equidigital number, since it uses as much as digits as its factorization.

100155791605447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292000, while the sum is 55.

The spelling of 100155791605447 in words is "one hundred trillion, one hundred fifty-five billion, seven hundred ninety-one million, six hundred five thousand, four hundred forty-seven".