70125756321 has 32 divisors (see below), whose sum is σ = 97982687232. Its totient is φ = 44527380480.

The previous prime is 70125756299. The next prime is 70125756329. The reversal of 70125756321 is 12365752107.

It is a happy number.

It is not a de Polignac number, because 70125756321 - 2²³ = 70117367713 is a prime.

It is a super-3 number, since 3×70125756321³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70125756321.

It is not an unprimeable number, because it can be changed into a prime (70125756329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26332036 + ... + 26334698.

It is an arithmetic number, because the mean of its divisors is an integer number (3061958976).

Almost surely, 2^70125756321 is an apocalyptic number.

It is an amenable number.

70125756321 is a deficient number, since it is larger than the sum of its proper divisors (27856930911).

70125756321 is a wasteful number, since it uses less digits than its factorization.

70125756321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4173.

The product of its (nonzero) digits is 88200, while the sum is 39.

The spelling of 70125756321 in words is "seventy billion, one hundred twenty-five million, seven hundred fifty-six thousand, three hundred twenty-one".