100009145801 has 4 divisors (see below), whose sum is σ = 100010205204. Its totient is φ = 100008086400.

The previous prime is 100009145779. The next prime is 100009145809. The reversal of 100009145801 is 108541900001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 35441827600 + 64567318201 = 188260^2 + 254101^2 .

It is a cyclic number.

It is not a de Polignac number, because 100009145801 - 2¹⁰ = 100009144777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100009145809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372560 + ... + 582081.

It is an arithmetic number, because the mean of its divisors is an integer number (25002551301).

Almost surely, 2^100009145801 is an apocalyptic number.

It is an amenable number.

100009145801 is a deficient number, since it is larger than the sum of its proper divisors (1059403).

100009145801 is an equidigital number, since it uses as much as digits as its factorization.

100009145801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059402.

The product of its (nonzero) digits is 1440, while the sum is 29.

The spelling of 100009145801 in words is "one hundred billion, nine million, one hundred forty-five thousand, eight hundred one".