10868426557 has 4 divisors (see below), whose sum is σ = 10881569376. Its totient is φ = 10855283740.

The previous prime is 10868426551. The next prime is 10868426561. The reversal of 10868426557 is 75562486801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10868426557 - 2³ = 10868426549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10868426551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6570169 + ... + 6571822.

It is an arithmetic number, because the mean of its divisors is an integer number (2720392344).

Almost surely, 2^10868426557 is an apocalyptic number.

It is an amenable number.

10868426557 is a deficient number, since it is larger than the sum of its proper divisors (13142819).

10868426557 is an equidigital number, since it uses as much as digits as its factorization.

10868426557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13142818.

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 10868426557 in words is "ten billion, eight hundred sixty-eight million, four hundred twenty-six thousand, five hundred fifty-seven".