100461553405 has 4 divisors (see below), whose sum is σ = 120553864092. Its totient is φ = 80369242720.

The previous prime is 100461553333. The next prime is 100461553469. The reversal of 100461553405 is 504355164001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 504355164001 = 13 ⋅38796551077.

It can be written as a sum of positive squares in 2 ways, for example, as 54338407236 + 46123146169 = 233106^2 + 214763^2 .

It is a de Polignac number, because none of the positive numbers 2^k-100461553405 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 10046155336 + ... + 10046155345.

It is an arithmetic number, because the mean of its divisors is an integer number (30138466023).

Almost surely, 2^100461553405 is an apocalyptic number.

It is an amenable number.

100461553405 is a deficient number, since it is larger than the sum of its proper divisors (20092310687).

100461553405 is an equidigital number, since it uses as much as digits as its factorization.

100461553405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20092310686.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 100461553405 in words is "one hundred billion, four hundred sixty-one million, five hundred fifty-three thousand, four hundred five".