10688625061 has 4 divisors (see below), whose sum is σ = 10744006732. Its totient is φ = 10633243392.

The previous prime is 10688625007. The next prime is 10688625089. The reversal of 10688625061 is 16052688601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7831188036 + 2857437025 = 88494^2 + 53455^2 .

It is a cyclic number.

It is not a de Polignac number, because 10688625061 - 2¹¹ = 10688623013 is a prime.

It is a super-2 number, since 2×10688625061² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10688624999 and 10688625017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10688605061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27690546 + ... + 27690931.

It is an arithmetic number, because the mean of its divisors is an integer number (2686001683).

Almost surely, 2^10688625061 is an apocalyptic number.

It is an amenable number.

10688625061 is a deficient number, since it is larger than the sum of its proper divisors (55381671).

10688625061 is an equidigital number, since it uses as much as digits as its factorization.

10688625061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55381670.

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 10688625061 in words is "ten billion, six hundred eighty-eight million, six hundred twenty-five thousand, sixty-one".