10561173969648 has 40 divisors (see below), whose sum is σ = 27538014382848. Its totient is φ = 3487490468032.

The previous prime is 10561173969571. The next prime is 10561173969653. The reversal of 10561173969648 is 84696937116501.

It is a super-2 number, since 2×10561173969648² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1028146536 + ... + 1028156807.

Almost surely, 2^{10561173969648} is an apocalyptic number.

It is an amenable number.

10561173969648 is an abundant number, since it is smaller than the sum of its proper divisors (16976840413200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10561173969648 is a wasteful number, since it uses less digits than its factorization.

10561173969648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056303461 (or 2056303455 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 66.

The spelling of 10561173969648 in words is "ten trillion, five hundred sixty-one billion, one hundred seventy-three million, nine hundred sixty-nine thousand, six hundred forty-eight".