10506145064 has 8 divisors (see below), whose sum is σ = 19699022010. Its totient is φ = 5253072528.

The previous prime is 10506145049. The next prime is 10506145093. The reversal of 10506145064 is 46054160501.

It can be written as a sum of positive squares in only one way, i.e., 7249160164 + 3256984900 = 85142^2 + 57070^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×10506145064² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10506145064.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656634059 + ... + 656634074.

Almost surely, 2^10506145064 is an apocalyptic number.

It is an amenable number.

10506145064 is a deficient number, since it is larger than the sum of its proper divisors (9192876946).

10506145064 is a wasteful number, since it uses less digits than its factorization.

10506145064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313268139 (or 1313268135 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 10506145064 in words is "ten billion, five hundred six million, one hundred forty-five thousand, sixty-four".