10215104445645 has 32 divisors (see below), whose sum is σ = 17841379368960. Its totient is φ = 4949617112640.

The previous prime is 10215104445599. The next prime is 10215104445647. The reversal of 10215104445645 is 54654440151201.

It is not a de Polignac number, because 10215104445645 - 2⁸ = 10215104445389 is a prime.

It is a super-3 number, since 3×10215104445645³ (a number of 40 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10215104445597 and 10215104445606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10215104445647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19495665 + ... + 20012774.

It is an arithmetic number, because the mean of its divisors is an integer number (557543105280).

Almost surely, 2^{10215104445645} is an apocalyptic number.

10215104445645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10215104445645 is a deficient number, since it is larger than the sum of its proper divisors (7626274923315).

10215104445645 is a wasteful number, since it uses less digits than its factorization.

10215104445645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39510025.

The product of its (nonzero) digits is 384000, while the sum is 42.

Adding to 10215104445645 its reverse (54654440151201), we get a palindrome (64869544596846).

The spelling of 10215104445645 in words is "ten trillion, two hundred fifteen billion, one hundred four million, four hundred forty-five thousand, six hundred forty-five".