11000001125 has 8 divisors (see below), whose sum is σ = 13728001560. Its totient is φ = 8800000800.

The previous prime is 11000001121. The next prime is 11000001127. The reversal of 11000001125 is 52110000011.

It can be written as a sum of positive squares in 4 ways, for example, as 576816289 + 10423184836 = 24017^2 + 102094^2 .

It is not a de Polignac number, because 11000001125 - 2² = 11000001121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000001121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43999880 + ... + 44000129.

It is an arithmetic number, because the mean of its divisors is an integer number (1716000195).

Almost surely, 2^11000001125 is an apocalyptic number.

It is an amenable number.

11000001125 is a deficient number, since it is larger than the sum of its proper divisors (2728000435).

11000001125 is an frugal number, since it uses more digits than its factorization.

11000001125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88000024 (or 88000014 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 11.

Adding to 11000001125 its reverse (52110000011), we get a palindrome (63110001136).

The spelling of 11000001125 in words is "eleven billion, one thousand, one hundred twenty-five".