1068135128088 has 256 divisors, whose sum is σ = 3179516820480. Its totient is φ = 292705394688.

The previous prime is 1068135128059. The next prime is 1068135128101. The reversal of 1068135128088 is 8808215318601.

It is a super-2 number, since 2×1068135128088² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1068135128088.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 122868670 + ... + 122877362.

It is an arithmetic number, because the mean of its divisors is an integer number (12419987580).

Almost surely, 2^{1068135128088} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1068135128088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1589758410240).

1068135128088 is an abundant number, since it is smaller than the sum of its proper divisors (2111381692392).

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

1068135128088 is a wasteful number, since it uses less digits than its factorization.

1068135128088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9058 (or 9054 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 51.

The spelling of 1068135128088 in words is "one trillion, sixty-eight billion, one hundred thirty-five million, one hundred twenty-eight thousand, eighty-eight".