70111655701 has 4 divisors (see below), whose sum is σ = 70112285100. Its totient is φ = 70111026304.

The previous prime is 70111655659. The next prime is 70111655771. The reversal of 70111655701 is 10755611107.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 29890952100 + 40220703601 = 172890^2 + 200551^2 .

It is a cyclic number.

It is not a de Polignac number, because 70111655701 - 2³³ = 61521721109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70111655771) 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, 97756 + ... + 387013.

It is an arithmetic number, because the mean of its divisors is an integer number (17528071275).

Almost surely, 2^70111655701 is an apocalyptic number.

It is an amenable number.

70111655701 is a deficient number, since it is larger than the sum of its proper divisors (629399).

70111655701 is a wasteful number, since it uses less digits than its factorization.

70111655701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629398.

The product of its (nonzero) digits is 7350, while the sum is 34.

The spelling of 70111655701 in words is "seventy billion, one hundred eleven million, six hundred fifty-five thousand, seven hundred one".