100806665731215 has 8 divisors (see below), whose sum is σ = 161290665169968. Its totient is φ = 53763555056640.

The previous prime is 100806665731199. The next prime is 100806665731217. The reversal of 100806665731215 is 512137566608001.

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

It is not a de Polignac number, because 100806665731215 - 2⁴ = 100806665731199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100806665731217) 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, 3360222191026 + ... + 3360222191055.

It is an arithmetic number, because the mean of its divisors is an integer number (20161333146246).

Almost surely, 2^{100806665731215} is an apocalyptic number.

100806665731215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100806665731215 is a deficient number, since it is larger than the sum of its proper divisors (60483999438753).

100806665731215 is an equidigital number, since it uses as much as digits as its factorization.

100806665731215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6720444382089.

The product of its (nonzero) digits is 1814400, while the sum is 51.

The spelling of 100806665731215 in words is "one hundred trillion, eight hundred six billion, six hundred sixty-five million, seven hundred thirty-one thousand, two hundred fifteen".