1151055055 has 32 divisors (see below), whose sum is σ = 1484904960. Its totient is φ = 853960320.

The previous prime is 1151055047. The next prime is 1151055097. The reversal of 1151055055 is 5505501511.

It is not a de Polignac number, because 1151055055 - 2³ = 1151055047 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 31 ways as a sum of consecutive naturals, for example, 1778742 + ... + 1779388.

It is an arithmetic number, because the mean of its divisors is an integer number (46403280).

Almost surely, 2^1151055055 is an apocalyptic number.

1151055055 is a deficient number, since it is larger than the sum of its proper divisors (333849905).

1151055055 is a wasteful number, since it uses less digits than its factorization.

1151055055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039.

The product of its (nonzero) digits is 3125, while the sum is 28.

The square root of 1151055055 is about 33927.2022866608. The cubic root of 1151055055 is about 1048.0098523708.

Adding to 1151055055 its reverse (5505501511), we get a palindrome (6656556566).

The spelling of 1151055055 in words is "one billion, one hundred fifty-one million, fifty-five thousand, fifty-five".