11125207642 has 8 divisors (see below), whose sum is σ = 16781040000. Its totient is φ = 5531527644.

The previous prime is 11125207631. The next prime is 11125207661. The reversal of 11125207642 is 24670252111.

11125207642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15537642 + ... + 15538357.

It is an arithmetic number, because the mean of its divisors is an integer number (2097630000).

Almost surely, 2^11125207642 is an apocalyptic number.

11125207642 is a deficient number, since it is larger than the sum of its proper divisors (5655832358).

11125207642 is a wasteful number, since it uses less digits than its factorization.

11125207642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31076180.

The product of its (nonzero) digits is 6720, while the sum is 31.

Adding to 11125207642 its reverse (24670252111), we get a palindrome (35795459753).

The spelling of 11125207642 in words is "eleven billion, one hundred twenty-five million, two hundred seven thousand, six hundred forty-two".