100343215545 has 8 divisors (see below), whose sum is σ = 160549144896. Its totient is φ = 53516381616.

The previous prime is 100343215499. The next prime is 100343215559. The reversal of 100343215545 is 545512343001.

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

It is not a de Polignac number, because 100343215545 - 2⁷ = 100343215417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3344773837 + ... + 3344773866.

It is an arithmetic number, because the mean of its divisors is an integer number (20068643112).

Almost surely, 2^100343215545 is an apocalyptic number.

100343215545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100343215545 is a deficient number, since it is larger than the sum of its proper divisors (60205929351).

100343215545 is an equidigital number, since it uses as much as digits as its factorization.

100343215545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6689547711.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 100343215545 its reverse (545512343001), we get a palindrome (645855558546).

The spelling of 100343215545 in words is "one hundred billion, three hundred forty-three million, two hundred fifteen thousand, five hundred forty-five".