100005556454 has 4 divisors (see below), whose sum is σ = 150008334684. Its totient is φ = 50002778226.

The previous prime is 100005556451. The next prime is 100005556463. The reversal of 100005556454 is 454655500001.

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

It is a super-2 number, since 2×100005556454² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100005556451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25001389112 + ... + 25001389115.

It is an arithmetic number, because the mean of its divisors is an integer number (37502083671).

Almost surely, 2^100005556454 is an apocalyptic number.

100005556454 is a deficient number, since it is larger than the sum of its proper divisors (50002778230).

100005556454 is an equidigital number, since it uses as much as digits as its factorization.

100005556454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50002778229.

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 100005556454 in words is "one hundred billion, five million, five hundred fifty-six thousand, four hundred fifty-four".