1151305055 has 16 divisors (see below), whose sum is σ = 1406829600. Its totient is φ = 904243200.

The previous prime is 1151305039. The next prime is 1151305073. The reversal of 1151305055 is 5505031511.

It is not a de Polignac number, because 1151305055 - 2⁴ = 1151305039 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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271955 + ... + 276155.

It is an arithmetic number, because the mean of its divisors is an integer number (87926850).

Almost surely, 2^1151305055 is an apocalyptic number.

1151305055 is a deficient number, since it is larger than the sum of its proper divisors (255524545).

1151305055 is an equidigital number, since it uses as much as digits as its factorization.

1151305055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5194.

The product of its (nonzero) digits is 1875, while the sum is 26.

The square root of 1151305055 is about 33930.8864458328. The cubic root of 1151305055 is about 1048.0857200124.

Adding to 1151305055 its reverse (5505031511), we get a palindrome (6656336566).

The spelling of 1151305055 in words is "one billion, one hundred fifty-one million, three hundred five thousand, fifty-five".