11151605055 has 16 divisors (see below), whose sum is σ = 17865258624. Its totient is φ = 5939959200.

The previous prime is 11151605011. The next prime is 11151605083. The reversal of 11151605055 is 55050615111.

It is not a de Polignac number, because 11151605055 - 2⁶ = 11151604991 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460521 + ... + 484130.

It is an arithmetic number, because the mean of its divisors is an integer number (1116578664).

Almost surely, 2^11151605055 is an apocalyptic number.

11151605055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11151605055 is a deficient number, since it is larger than the sum of its proper divisors (6713653569).

11151605055 is an equidigital number, since it uses as much as digits as its factorization.

11151605055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945446.

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 11151605055 in words is "eleven billion, one hundred fifty-one million, six hundred five thousand, fifty-five".