10563157544 has 8 divisors (see below), whose sum is σ = 19805920410. Its totient is φ = 5281578768.

The previous prime is 10563157513. The next prime is 10563157567. The reversal of 10563157544 is 44575136501.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8966196100 + 1596961444 = 94690^2 + 39962^2 .

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

It is a super-2 number, since 2×10563157544² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660197339 + ... + 660197354.

Almost surely, 2^10563157544 is an apocalyptic number.

It is an amenable number.

10563157544 is a deficient number, since it is larger than the sum of its proper divisors (9242762866).

10563157544 is a wasteful number, since it uses less digits than its factorization.

10563157544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320394699 (or 1320394695 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 10563157544 in words is "ten billion, five hundred sixty-three million, one hundred fifty-seven thousand, five hundred forty-four".