70111601 has 10 divisors (see below), whose sum is σ = 81794802. Its totient is φ = 60093600.

The previous prime is 70111583. The next prime is 70111603. The reversal of 70111601 is 10611107.

It can be written as a sum of positive squares in only one way, i.e., 54745201 + 15366400 = 7399^2 + 3920^2 .

It is not a de Polignac number, because 70111601 - 2¹⁰ = 70110577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70111601.

It is not an unprimeable number, because it can be changed into a prime (70111603) 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 9 ways as a sum of consecutive naturals, for example, 12200 + ... + 17001.

Almost surely, 2^70111601 is an apocalyptic number.

It is an amenable number.

70111601 is a deficient number, since it is larger than the sum of its proper divisors (11683201).

70111601 is an frugal number, since it uses more digits than its factorization.

70111601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29229 (or 29208 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 17.

The square root of 70111601 is about 8373.2670445890. The cubic root of 70111601 is about 412.3474325284.

Adding to 70111601 its reverse (10611107), we get a palindrome (80722708).

The spelling of 70111601 in words is "seventy million, one hundred eleven thousand, six hundred one".