1101011125 has 8 divisors (see below), whose sum is σ = 1374062040. Its totient is φ = 880808800.

The previous prime is 1101011123. The next prime is 1101011141. The reversal of 1101011125 is 5211101011.

It can be written as a sum of positive squares in 4 ways, for example, as 347673316 + 753337809 = 18646^2 + 27447^2 .

It is not a de Polignac number, because 1101011125 - 2¹ = 1101011123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101011123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4403920 + ... + 4404169.

It is an arithmetic number, because the mean of its divisors is an integer number (171757755).

Almost surely, 2^1101011125 is an apocalyptic number.

It is an amenable number.

1101011125 is a deficient number, since it is larger than the sum of its proper divisors (273050915).

1101011125 is an frugal number, since it uses more digits than its factorization.

1101011125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8808104 (or 8808094 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 13.

The square root of 1101011125 is about 33181.4876851536. The cubic root of 1101011125 is about 1032.5963107849.

Adding to 1101011125 its reverse (5211101011), we get a palindrome (6312112136).

The spelling of 1101011125 in words is "one billion, one hundred one million, eleven thousand, one hundred twenty-five".