100505555055487 has 8 divisors (see below), whose sum is σ = 103349198777552. Its totient is φ = 97668610142400.

The previous prime is 100505555055419. The next prime is 100505555055511. The reversal of 100505555055487 is 784550555505001.

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 100505555055487 - 2¹¹ = 100505555053439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100505555059487) 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, 1674671814 + ... + 1674731827.

It is an arithmetic number, because the mean of its divisors is an integer number (12918649847194).

Almost surely, 2^{100505555055487} is an apocalyptic number.

100505555055487 is a deficient number, since it is larger than the sum of its proper divisors (2843643722065).

100505555055487 is an equidigital number, since it uses as much as digits as its factorization.

100505555055487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3349404489.

The product of its (nonzero) digits is 17500000, while the sum is 55.

The spelling of 100505555055487 in words is "one hundred trillion, five hundred five billion, five hundred fifty-five million, fifty-five thousand, four hundred eighty-seven".