11470188217 has 2 divisors, whose sum is σ = 11470188218. Its totient is φ = 11470188216.

The previous prime is 11470188187. The next prime is 11470188287. The reversal of 11470188217 is 71288107411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8389827216 + 3080361001 = 91596^2 + 55501^2 .

It is a cyclic number.

It is not a de Polignac number, because 11470188217 - 2²⁷ = 11335970489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11470188217.

It is not a weakly prime, because it can be changed into another prime (11470188287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5735094108 + 5735094109.

It is an arithmetic number, because the mean of its divisors is an integer number (5735094109).

Almost surely, 2^11470188217 is an apocalyptic number.

It is an amenable number.

11470188217 is a deficient number, since it is larger than the sum of its proper divisors (1).

11470188217 is an equidigital number, since it uses as much as digits as its factorization.

11470188217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25088, while the sum is 40.

The spelling of 11470188217 in words is "eleven billion, four hundred seventy million, one hundred eighty-eight thousand, two hundred seventeen".