11216452979 has 2 divisors, whose sum is σ = 11216452980. Its totient is φ = 11216452978.

The previous prime is 11216452909. The next prime is 11216453011. The reversal of 11216452979 is 97925461211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11216452979 is a prime.

It is a super-3 number, since 3×11216452979³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (11216452909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5608226489 + 5608226490.

It is an arithmetic number, because the mean of its divisors is an integer number (5608226490).

Almost surely, 2^11216452979 is an apocalyptic number.

11216452979 is a deficient number, since it is larger than the sum of its proper divisors (1).

11216452979 is an equidigital number, since it uses as much as digits as its factorization.

11216452979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 47.

The spelling of 11216452979 in words is "eleven billion, two hundred sixteen million, four hundred fifty-two thousand, nine hundred seventy-nine".