10689390125567 has 4 divisors (see below), whose sum is σ = 11251989605880. Its totient is φ = 10126790645256.

The previous prime is 10689390125563. The next prime is 10689390125597. The reversal of 10689390125567 is 76552109398601.

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

It is a cyclic number.

It is not a de Polignac number, because 10689390125567 - 2² = 10689390125563 is a prime.

It is a super-2 number, since 2×10689390125567² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10689390125563) 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, 281299740128 + ... + 281299740165.

It is an arithmetic number, because the mean of its divisors is an integer number (2812997401470).

Almost surely, 2^{10689390125567} is an apocalyptic number.

10689390125567 is a deficient number, since it is larger than the sum of its proper divisors (562599480313).

10689390125567 is an equidigital number, since it uses as much as digits as its factorization.

10689390125567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562599480312.

The product of its (nonzero) digits is 24494400, while the sum is 62.

The spelling of 10689390125567 in words is "ten trillion, six hundred eighty-nine billion, three hundred ninety million, one hundred twenty-five thousand, five hundred sixty-seven".