11155055479 has 2 divisors, whose sum is σ = 11155055480. Its totient is φ = 11155055478.

The previous prime is 11155055473. The next prime is 11155055533. The reversal of 11155055479 is 97455055111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11155055479 - 2²⁵ = 11121501047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11155055473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5577527739 + 5577527740.

It is an arithmetic number, because the mean of its divisors is an integer number (5577527740).

Almost surely, 2^11155055479 is an apocalyptic number.

11155055479 is a deficient number, since it is larger than the sum of its proper divisors (1).

11155055479 is an equidigital number, since it uses as much as digits as its factorization.

11155055479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157500, while the sum is 43.

The spelling of 11155055479 in words is "eleven billion, one hundred fifty-five million, fifty-five thousand, four hundred seventy-nine".