70111707217 has 4 divisors (see below), whose sum is σ = 71742212080. Its totient is φ = 68481202356.

The previous prime is 70111707209. The next prime is 70111707251. The reversal of 70111707217 is 71270711107.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70111707217 - 2³ = 70111707209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70111707257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 815252367 + ... + 815252452.

It is an arithmetic number, because the mean of its divisors is an integer number (17935553020).

Almost surely, 2^70111707217 is an apocalyptic number.

It is an amenable number.

70111707217 is a deficient number, since it is larger than the sum of its proper divisors (1630504863).

70111707217 is a wasteful number, since it uses less digits than its factorization.

70111707217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630504862.

The product of its (nonzero) digits is 4802, while the sum is 34.

The spelling of 70111707217 in words is "seventy billion, one hundred eleven million, seven hundred seven thousand, two hundred seventeen".