70056171550 has 12 divisors (see below), whose sum is σ = 130304479176. Its totient is φ = 28022468600.

The previous prime is 70056171541. The next prime is 70056171557. The reversal of 70056171550 is 5517165007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70056171557) 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 5 ways as a sum of consecutive naturals, for example, 700561666 + ... + 700561765.

It is an arithmetic number, because the mean of its divisors is an integer number (10858706598).

Almost surely, 2^70056171550 is an apocalyptic number.

70056171550 is a deficient number, since it is larger than the sum of its proper divisors (60248307626).

70056171550 is a wasteful number, since it uses less digits than its factorization.

70056171550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401123443 (or 1401123438 counting only the distinct ones).

The product of its (nonzero) digits is 36750, while the sum is 37.

The spelling of 70056171550 in words is "seventy billion, fifty-six million, one hundred seventy-one thousand, five hundred fifty".