11030455555 has 16 divisors (see below), whose sum is σ = 15353268480. Its totient is φ = 7450847712.

The previous prime is 11030455543. The next prime is 11030455609. The reversal of 11030455555 is 55555403011.

It is not a de Polignac number, because 11030455555 - 2⁵ = 11030455523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11030455555.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2349565 + ... + 2354254.

It is an arithmetic number, because the mean of its divisors is an integer number (959579280).

Almost surely, 2^11030455555 is an apocalyptic number.

11030455555 is a deficient number, since it is larger than the sum of its proper divisors (4322812925).

11030455555 is an equidigital number, since it uses as much as digits as its factorization.

11030455555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4703898.

The product of its (nonzero) digits is 37500, while the sum is 34.

Adding to 11030455555 its reverse (55555403011), we get a palindrome (66585858566).

The spelling of 11030455555 in words is "eleven billion, thirty million, four hundred fifty-five thousand, five hundred fifty-five".