1138577055 has 32 divisors (see below), whose sum is σ = 2271241728. Its totient is φ = 473174400.

The previous prime is 1138577003. The next prime is 1138577081. The reversal of 1138577055 is 5507758311.

It is not a de Polignac number, because 1138577055 - 2⁸ = 1138576799 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1138576998 and 1138577016.

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 491736 + ... + 494045.

It is an arithmetic number, because the mean of its divisors is an integer number (70976304).

Almost surely, 2^1138577055 is an apocalyptic number.

1138577055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1138577055 is a deficient number, since it is larger than the sum of its proper divisors (1132664673).

1138577055 is a wasteful number, since it uses less digits than its factorization.

1138577055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985807.

The product of its (nonzero) digits is 147000, while the sum is 42.

The square root of 1138577055 is about 33742.8074558120. The cubic root of 1138577055 is about 1044.2091052576.

The spelling of 1138577055 in words is "one billion, one hundred thirty-eight million, five hundred seventy-seven thousand, fifty-five".