11003125987 has 8 divisors (see below), whose sum is σ = 12762688256. Its totient is φ = 9290485512.

The previous prime is 11003125979. The next prime is 11003125997. The reversal of 11003125987 is 78952130011.

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

It is not a de Polignac number, because 11003125987 - 2³ = 11003125979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11003125997) 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, 11729943 + ... + 11730880.

It is an arithmetic number, because the mean of its divisors is an integer number (1595336032).

Almost surely, 2^11003125987 is an apocalyptic number.

11003125987 is a deficient number, since it is larger than the sum of its proper divisors (1759562269).

11003125987 is an equidigital number, since it uses as much as digits as its factorization.

11003125987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23460897.

The product of its (nonzero) digits is 15120, while the sum is 37.

Adding to 11003125987 its reverse (78952130011), we get a palindrome (89955255998).

The spelling of 11003125987 in words is "eleven billion, three million, one hundred twenty-five thousand, nine hundred eighty-seven".