10564150576921 has 6 divisors (see below), whose sum is σ = 10684182595022. Its totient is φ = 10445452248000.

The previous prime is 10564150576901. The next prime is 10564150576937. The reversal of 10564150576921 is 12967505146501.

It can be written as a sum of positive squares in 3 ways, for example, as 180804394521 + 10383346182400 = 425211^2 + 3222320^2 .

It is a de Polignac number, because none of the positive numbers 2^k-10564150576921 is a prime.

It is a super-2 number, since 2×10564150576921² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10564150576901) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 666836580 + ... + 666852421.

Almost surely, 2^{10564150576921} is an apocalyptic number.

It is an amenable number.

10564150576921 is a deficient number, since it is larger than the sum of its proper divisors (120032018101).

10564150576921 is an frugal number, since it uses more digits than its factorization.

10564150576921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333689179 (or 1333689090 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 52.

The spelling of 10564150576921 in words is "ten trillion, five hundred sixty-four billion, one hundred fifty million, five hundred seventy-six thousand, nine hundred twenty-one".