10644613572265 has 16 divisors (see below), whose sum is σ = 13525006129920. Its totient is φ = 8014717285120.

The previous prime is 10644613572259. The next prime is 10644613572283. The reversal of 10644613572265 is 56227531644601.

It is not a de Polignac number, because 10644613572265 - 2¹³ = 10644613564073 is a prime.

It is a super-2 number, since 2×10644613572265² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18355926 + ... + 18926944.

It is an arithmetic number, because the mean of its divisors is an integer number (845312883120).

Almost surely, 2^{10644613572265} is an apocalyptic number.

It is an amenable number.

10644613572265 is a deficient number, since it is larger than the sum of its proper divisors (2880392557655).

10644613572265 is a wasteful number, since it uses less digits than its factorization.

10644613572265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790352.

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 10644613572265 in words is "ten trillion, six hundred forty-four billion, six hundred thirteen million, five hundred seventy-two thousand, two hundred sixty-five".