10561257777752 has 32 divisors (see below), whose sum is σ = 21602851880400. Its totient is φ = 4800509683200.

The previous prime is 10561257777751. The next prime is 10561257777757. The reversal of 10561257777752 is 25777775216501.

It is a super-3 number, since 3×10561257777752³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10561257777751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6454052 + ... + 7923212.

Almost surely, 2^{10561257777752} is an apocalyptic number.

It is an amenable number.

10561257777752 is an abundant number, since it is smaller than the sum of its proper divisors (11041594102648).

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

10561257777752 is a wasteful number, since it uses less digits than its factorization.

10561257777752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550867 (or 1550863 counting only the distinct ones).

The product of its (nonzero) digits is 50421000, while the sum is 62.

The spelling of 10561257777752 in words is "ten trillion, five hundred sixty-one billion, two hundred fifty-seven million, seven hundred seventy-seven thousand, seven hundred fifty-two".