11030857987 has 8 divisors (see below), whose sum is σ = 11774972160. Its totient is φ = 10303098120.

The previous prime is 11030857979. The next prime is 11030858057. The reversal of 11030857987 is 78975803011.

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

It is a cyclic number.

It is not a de Polignac number, because 11030857987 - 2³ = 11030857979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11030857987.

It is not an unprimeable number, because it can be changed into a prime (11030857967) 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, 4087183 + ... + 4089880.

It is an arithmetic number, because the mean of its divisors is an integer number (1471871520).

Almost surely, 2^11030857987 is an apocalyptic number.

11030857987 is a deficient number, since it is larger than the sum of its proper divisors (744114173).

11030857987 is an equidigital number, since it uses as much as digits as its factorization.

11030857987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8177153.

The product of its (nonzero) digits is 423360, while the sum is 49.

The spelling of 11030857987 in words is "eleven billion, thirty million, eight hundred fifty-seven thousand, nine hundred eighty-seven".