61070715912 has 32 divisors (see below), whose sum is σ = 153315619200. Its totient is φ = 20271728064.

The previous prime is 61070715907. The next prime is 61070715917. The reversal of 61070715912 is 21951707016.

It is an interprime number because it is at equal distance from previous prime (61070715907) and next prime (61070715917).

It is not an unprimeable number, because it can be changed into a prime (61070715917) 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, 5317723 + ... + 5329194.

It is an arithmetic number, because the mean of its divisors is an integer number (4791113100).

Almost surely, 2^61070715912 is an apocalyptic number.

It is an amenable number.

61070715912 is an abundant number, since it is smaller than the sum of its proper divisors (92244903288).

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

61070715912 is a wasteful number, since it uses less digits than its factorization.

61070715912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10647165 (or 10647161 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 39.

The spelling of 61070715912 in words is "sixty-one billion, seventy million, seven hundred fifteen thousand, nine hundred twelve".