70144400211 has 4 divisors (see below), whose sum is σ = 93525866952. Its totient is φ = 46762933472.

The previous prime is 70144400191. The next prime is 70144400233. The reversal of 70144400211 is 11200444107.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70144400211 - 2¹⁰ = 70144399187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70144400251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11690733366 + ... + 11690733371.

It is an arithmetic number, because the mean of its divisors is an integer number (23381466738).

Almost surely, 2^70144400211 is an apocalyptic number.

70144400211 is a deficient number, since it is larger than the sum of its proper divisors (23381466741).

70144400211 is a wasteful number, since it uses less digits than its factorization.

70144400211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23381466740.

The product of its (nonzero) digits is 896, while the sum is 24.

Adding to 70144400211 its reverse (11200444107), we get a palindrome (81344844318).

The spelling of 70144400211 in words is "seventy billion, one hundred forty-four million, four hundred thousand, two hundred eleven".