70985913152 has 56 divisors (see below), whose sum is σ = 175621005120. Its totient is φ = 27656847360.

The previous prime is 70985913151. The next prime is 70985913199. The reversal of 70985913152 is 25131958907.

It is a tau number, because it is divible by the number of its divisors (56).

It is a self number, because there is not a number n which added to its sum of digits gives 70985913152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70985913151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7197377 + ... + 7207232.

Almost surely, 2^70985913152 is an apocalyptic number.

It is an amenable number.

70985913152 is an abundant number, since it is smaller than the sum of its proper divisors (104635091968).

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

70985913152 is a wasteful number, since it uses less digits than its factorization.

70985913152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14404639 (or 14404629 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 50.

The spelling of 70985913152 in words is "seventy billion, nine hundred eighty-five million, nine hundred thirteen thousand, one hundred fifty-two".