100191285087 has 8 divisors (see below), whose sum is σ = 133733746560. Its totient is φ = 66721506840.

The previous prime is 100191285083. The next prime is 100191285091. The reversal of 100191285087 is 780582191001.

It is an interprime number because it is at equal distance from previous prime (100191285083) and next prime (100191285091).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100191285087 - 2² = 100191285083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100191285083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18167589 + ... + 18173102.

It is an arithmetic number, because the mean of its divisors is an integer number (16716718320).

Almost surely, 2^100191285087 is an apocalyptic number.

100191285087 is a deficient number, since it is larger than the sum of its proper divisors (33542461473).

100191285087 is an equidigital number, since it uses as much as digits as its factorization.

100191285087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36341613.

The product of its (nonzero) digits is 40320, while the sum is 42.

The spelling of 100191285087 in words is "one hundred billion, one hundred ninety-one million, two hundred eighty-five thousand, eighty-seven".