70212227511 has 4 divisors (see below), whose sum is σ = 93616303352. Its totient is φ = 46808151672.

The previous prime is 70212227483. The next prime is 70212227513. The reversal of 70212227511 is 11572221207.

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

It is not a de Polignac number, because 70212227511 - 2⁷ = 70212227383 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 (70212227513) 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, 11702037916 + ... + 11702037921.

It is an arithmetic number, because the mean of its divisors is an integer number (23404075838).

Almost surely, 2^70212227511 is an apocalyptic number.

70212227511 is a deficient number, since it is larger than the sum of its proper divisors (23404075841).

70212227511 is a wasteful number, since it uses less digits than its factorization.

70212227511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23404075840.

The product of its (nonzero) digits is 3920, while the sum is 30.

Adding to 70212227511 its reverse (11572221207), we get a palindrome (81784448718).

The spelling of 70212227511 in words is "seventy billion, two hundred twelve million, two hundred twenty-seven thousand, five hundred eleven".