70517311488 has 144 divisors (see below), whose sum is σ = 219334375260. Its totient is φ = 21697560576.

The previous prime is 70517311477. The next prime is 70517311559. The reversal of 70517311488 is 88411371507.

It can be written as a sum of positive squares in 2 ways, for example, as 68836967424 + 1680344064 = 262368^2 + 40992^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92470 + ... + 386762.

Almost surely, 2^70517311488 is an apocalyptic number.

70517311488 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70517311488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109667187630).

70517311488 is an abundant number, since it is smaller than the sum of its proper divisors (148817063772).

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

70517311488 is a wasteful number, since it uses less digits than its factorization.

70517311488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294334 (or 294311 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 45.

The spelling of 70517311488 in words is "seventy billion, five hundred seventeen million, three hundred eleven thousand, four hundred eighty-eight".