100444455123451 has 16 divisors (see below), whose sum is σ = 107095432780800. Its totient is φ = 93878178905728.

The previous prime is 100444455123443. The next prime is 100444455123563. The reversal of 100444455123451 is 154321554444001.

It is not a de Polignac number, because 100444455123451 - 2³ = 100444455123443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100444455123398 and 100444455123407.

It is not an unprimeable number, because it can be changed into a prime (100444455124451) 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, 32972785 + ... + 35890018.

It is an arithmetic number, because the mean of its divisors is an integer number (6693464548800).

Almost surely, 2^{100444455123451} is an apocalyptic number.

100444455123451 is a deficient number, since it is larger than the sum of its proper divisors (6650977657349).

100444455123451 is a wasteful number, since it uses less digits than its factorization.

100444455123451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68863418.

The product of its (nonzero) digits is 768000, while the sum is 43.

The spelling of 100444455123451 in words is "one hundred trillion, four hundred forty-four billion, four hundred fifty-five million, one hundred twenty-three thousand, four hundred fifty-one".