11212017047 has 8 divisors (see below), whose sum is σ = 13978618752. Its totient is φ = 8736636600.

The previous prime is 11212017029. The next prime is 11212017053. The reversal of 11212017047 is 74071021211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11212017047 - 2¹⁴ = 11212000663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212017077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72805229 + ... + 72805382.

It is an arithmetic number, because the mean of its divisors is an integer number (1747327344).

Almost surely, 2^11212017047 is an apocalyptic number.

11212017047 is a deficient number, since it is larger than the sum of its proper divisors (2766601705).

11212017047 is a wasteful number, since it uses less digits than its factorization.

11212017047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145610629.

The product of its (nonzero) digits is 784, while the sum is 26.

Adding to 11212017047 its reverse (74071021211), we get a palindrome (85283038258).

The spelling of 11212017047 in words is "eleven billion, two hundred twelve million, seventeen thousand, forty-seven".