10009550505 has 16 divisors (see below), whose sum is σ = 16019731584. Its totient is φ = 5336943360.

The previous prime is 10009550501. The next prime is 10009550519. The reversal of 10009550505 is 50505590001.

It is not a de Polignac number, because 10009550505 - 2² = 10009550501 is a prime.

It is a super-2 number, since 2×10009550505² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10009550501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35824 + ... + 145953.

It is an arithmetic number, because the mean of its divisors is an integer number (1001233224).

Almost surely, 2^10009550505 is an apocalyptic number.

10009550505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10009550505 is a deficient number, since it is larger than the sum of its proper divisors (6010181079).

10009550505 is a wasteful number, since it uses less digits than its factorization.

10009550505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185456.

The product of its (nonzero) digits is 5625, while the sum is 30.

The spelling of 10009550505 in words is "ten billion, nine million, five hundred fifty thousand, five hundred five".