100044645440515 has 4 divisors (see below), whose sum is σ = 120053574528624. Its totient is φ = 80035716352408.

The previous prime is 100044645440477. The next prime is 100044645440539. The reversal of 100044645440515 is 515044546440001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 100044645440515 - 2³³ = 100036055505923 is a prime.

It is a Duffinian 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, 10004464544047 + ... + 10004464544056.

It is an arithmetic number, because the mean of its divisors is an integer number (30013393632156).

Almost surely, 2^{100044645440515} is an apocalyptic number.

100044645440515 is a deficient number, since it is larger than the sum of its proper divisors (20008929088109).

100044645440515 is an equidigital number, since it uses as much as digits as its factorization.

100044645440515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20008929088108.

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

The spelling of 100044645440515 in words is "one hundred trillion, forty-four billion, six hundred forty-five million, four hundred forty thousand, five hundred fifteen".