100563494554 has 8 divisors (see below), whose sum is σ = 150880655988. Its totient is φ = 50269942560.

The previous prime is 100563494491. The next prime is 100563494567. The reversal of 100563494554 is 455494365001.

It can be written as a sum of positive squares in 2 ways, for example, as 91643636529 + 8919858025 = 302727^2 + 94445^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×100563494554² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5891707 + ... + 5908750.

Almost surely, 2^100563494554 is an apocalyptic number.

100563494554 is a deficient number, since it is larger than the sum of its proper divisors (50317161434).

100563494554 is a wasteful number, since it uses less digits than its factorization.

100563494554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11804720.

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 100563494554 in words is "one hundred billion, five hundred sixty-three million, four hundred ninety-four thousand, five hundred fifty-four".