100005550610503 has 4 divisors (see below), whose sum is σ = 100099629210448. Its totient is φ = 99911472010560.

The previous prime is 100005550610501. The next prime is 100005550610657. The reversal of 100005550610503 is 305016055500001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100005550610503 - 2¹ = 100005550610501 is a prime.

It is a super-2 number, since 2×100005550610503² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100005550610501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47039298378 + ... + 47039300503.

It is an arithmetic number, because the mean of its divisors is an integer number (25024907302612).

Almost surely, 2^{100005550610503} is an apocalyptic number.

100005550610503 is a deficient number, since it is larger than the sum of its proper divisors (94078599945).

100005550610503 is an equidigital number, since it uses as much as digits as its factorization.

100005550610503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94078599944.

The product of its (nonzero) digits is 11250, while the sum is 31.

The spelling of 100005550610503 in words is "one hundred trillion, five billion, five hundred fifty million, six hundred ten thousand, five hundred three".