11023030155 has 16 divisors (see below), whose sum is σ = 17638647840. Its totient is φ = 5878349568.

The previous prime is 11023030147. The next prime is 11023030201. The reversal of 11023030155 is 55103032011.

It is not a de Polignac number, because 11023030155 - 2³ = 11023030147 is a prime.

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, 142201 + ... + 205589.

It is an arithmetic number, because the mean of its divisors is an integer number (1102415490).

Almost surely, 2^11023030155 is an apocalyptic number.

11023030155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11023030155 is a deficient number, since it is larger than the sum of its proper divisors (6615617685).

11023030155 is a wasteful number, since it uses less digits than its factorization.

11023030155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74990.

The product of its (nonzero) digits is 450, while the sum is 21.

Adding to 11023030155 its reverse (55103032011), we get a palindrome (66126062166).

The spelling of 11023030155 in words is "eleven billion, twenty-three million, thirty thousand, one hundred fifty-five".