11172284479 has 2 divisors, whose sum is σ = 11172284480. Its totient is φ = 11172284478.

The previous prime is 11172284437. The next prime is 11172284483. The reversal of 11172284479 is 97448227111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11172284479 - 2¹⁷ = 11172153407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11172284429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5586142239 + 5586142240.

It is an arithmetic number, because the mean of its divisors is an integer number (5586142240).

Almost surely, 2^11172284479 is an apocalyptic number.

11172284479 is a deficient number, since it is larger than the sum of its proper divisors (1).

11172284479 is an equidigital number, since it uses as much as digits as its factorization.

11172284479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 46.

The spelling of 11172284479 in words is "eleven billion, one hundred seventy-two million, two hundred eighty-four thousand, four hundred seventy-nine".