11125040057 has 8 divisors (see below), whose sum is σ = 11940817896. Its totient is φ = 10327191552.

The previous prime is 11125040051. The next prime is 11125040093. The reversal of 11125040057 is 75004052111.

It can be written as a sum of positive squares in 4 ways, for example, as 7059192361 + 4065847696 = 84019^2 + 63764^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11125040057 - 2¹⁶ = 11124974521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11125040051) 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, 4481048 + ... + 4483529.

It is an arithmetic number, because the mean of its divisors is an integer number (1492602237).

Almost surely, 2^11125040057 is an apocalyptic number.

11125040057 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11125040057 is a deficient number, since it is larger than the sum of its proper divisors (815777839).

11125040057 is an equidigital number, since it uses as much as digits as its factorization.

11125040057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8964667.

The product of its (nonzero) digits is 1400, while the sum is 26.

Adding to 11125040057 its reverse (75004052111), we get a palindrome (86129092168).

The spelling of 11125040057 in words is "eleven billion, one hundred twenty-five million, forty thousand, fifty-seven".