100605560503 has 4 divisors (see below), whose sum is σ = 114977783440. Its totient is φ = 86233337568.

The previous prime is 100605560501. The next prime is 100605560513. The reversal of 100605560503 is 305065506001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 305065506001 = 5303 ⋅57526967.

It is not a de Polignac number, because 100605560503 - 2¹ = 100605560501 is a prime.

It is a super-2 number, since 2×100605560503² (a number of 23 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 (100605560501) 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, 7186111458 + ... + 7186111471.

It is an arithmetic number, because the mean of its divisors is an integer number (28744445860).

Almost surely, 2^100605560503 is an apocalyptic number.

100605560503 is a deficient number, since it is larger than the sum of its proper divisors (14372222937).

100605560503 is an equidigital number, since it uses as much as digits as its factorization.

100605560503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14372222936.

The product of its (nonzero) digits is 13500, while the sum is 31.

The spelling of 100605560503 in words is "one hundred billion, six hundred five million, five hundred sixty thousand, five hundred three".