100685081507 has 8 divisors (see below), whose sum is σ = 103642380576. Its totient is φ = 97766952192.

The previous prime is 100685081473. The next prime is 100685081509. The reversal of 100685081507 is 705180586001.

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

It is a cyclic number.

It is not a de Polignac number, because 100685081507 - 2¹² = 100685077411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100685081509) 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, 9787223 + ... + 9797504.

It is an arithmetic number, because the mean of its divisors is an integer number (12955297572).

Almost surely, 2^100685081507 is an apocalyptic number.

100685081507 is a deficient number, since it is larger than the sum of its proper divisors (2957299069).

100685081507 is an equidigital number, since it uses as much as digits as its factorization.

100685081507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19584877.

The product of its (nonzero) digits is 67200, while the sum is 41.

The spelling of 100685081507 in words is "one hundred billion, six hundred eighty-five million, eighty-one thousand, five hundred seven".