11054511197 has 2 divisors, whose sum is σ = 11054511198. Its totient is φ = 11054511196.

The previous prime is 11054511173. The next prime is 11054511203. The reversal of 11054511197 is 79111545011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7995757561 + 3058753636 = 89419^2 + 55306^2 .

It is an emirp because it is prime and its reverse (79111545011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11054511197 - 2⁸ = 11054510941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11054511157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5527255598 + 5527255599.

It is an arithmetic number, because the mean of its divisors is an integer number (5527255599).

Almost surely, 2^11054511197 is an apocalyptic number.

It is an amenable number.

11054511197 is a deficient number, since it is larger than the sum of its proper divisors (1).

11054511197 is an equidigital number, since it uses as much as digits as its factorization.

11054511197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 35.

The spelling of 11054511197 in words is "eleven billion, fifty-four million, five hundred eleven thousand, one hundred ninety-seven".