10561241672 has 8 divisors (see below), whose sum is σ = 19802328150. Its totient is φ = 5280620832.

The previous prime is 10561241659. The next prime is 10561241689. The reversal of 10561241672 is 27614216501.

It can be written as a sum of positive squares in only one way, i.e., 6537369316 + 4023872356 = 80854^2 + 63434^2 .

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

It is a super-2 number, since 2×10561241672² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660077597 + ... + 660077612.

Almost surely, 2^10561241672 is an apocalyptic number.

It is an amenable number.

10561241672 is a deficient number, since it is larger than the sum of its proper divisors (9241086478).

10561241672 is a wasteful number, since it uses less digits than its factorization.

10561241672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320155215 (or 1320155211 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 10561241672 in words is "ten billion, five hundred sixty-one million, two hundred forty-one thousand, six hundred seventy-two".