1068510687851 has 4 divisors (see below), whose sum is σ = 1070172446952. Its totient is φ = 1066848928752.

The previous prime is 1068510687779. The next prime is 1068510687859. The reversal of 1068510687851 is 1587860158601.

1068510687851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1068510687851 - 2¹⁸ = 1068510425707 is a prime.

It is a super-2 number, since 2×1068510687851² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1068510687859) 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, 830878586 + ... + 830879871.

It is an arithmetic number, because the mean of its divisors is an integer number (267543111738).

Almost surely, 2^{1068510687851} is an apocalyptic number.

1068510687851 is a deficient number, since it is larger than the sum of its proper divisors (1661759101).

1068510687851 is an equidigital number, since it uses as much as digits as its factorization.

1068510687851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661759100.

The product of its (nonzero) digits is 3225600, while the sum is 56.

The spelling of 1068510687851 in words is "one trillion, sixty-eight billion, five hundred ten million, six hundred eighty-seven thousand, eight hundred fifty-one".