11486942197 has 2 divisors, whose sum is σ = 11486942198. Its totient is φ = 11486942196.

The previous prime is 11486942171. The next prime is 11486942239. The reversal of 11486942197 is 79124968411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9425691396 + 2061250801 = 97086^2 + 45401^2 .

It is a cyclic number.

It is not a de Polignac number, because 11486942197 - 2²⁷ = 11352724469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11486940197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5743471098 + 5743471099.

It is an arithmetic number, because the mean of its divisors is an integer number (5743471099).

Almost surely, 2^11486942197 is an apocalyptic number.

It is an amenable number.

11486942197 is a deficient number, since it is larger than the sum of its proper divisors (1).

11486942197 is an equidigital number, since it uses as much as digits as its factorization.

11486942197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 52.

The spelling of 11486942197 in words is "eleven billion, four hundred eighty-six million, nine hundred forty-two thousand, one hundred ninety-seven".