11051312125 has 32 divisors (see below), whose sum is σ = 16029561600. Its totient is φ = 7449566400.

The previous prime is 11051312087. The next prime is 11051312131. The reversal of 11051312125 is 52121315011.

It is not a de Polignac number, because 11051312125 - 2¹¹ = 11051310077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11051312096 and 11051312105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55410 + ... + 158659.

It is an arithmetic number, because the mean of its divisors is an integer number (500923800).

Almost surely, 2^11051312125 is an apocalyptic number.

It is an amenable number.

11051312125 is a deficient number, since it is larger than the sum of its proper divisors (4978249475).

11051312125 is an equidigital number, since it uses as much as digits as its factorization.

11051312125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214150 (or 214140 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 22.

Adding to 11051312125 its reverse (52121315011), we get a palindrome (63172627136).

The spelling of 11051312125 in words is "eleven billion, fifty-one million, three hundred twelve thousand, one hundred twenty-five".