11023317155 has 8 divisors (see below), whose sum is σ = 13228593792. Its totient is φ = 8818244928.

The previous prime is 11023317143. The next prime is 11023317197. The reversal of 11023317155 is 55171332011.

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 11023317155 - 2⁴ = 11023317139 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119054 + ... + 190316.

It is an arithmetic number, because the mean of its divisors is an integer number (1653574224).

Almost surely, 2^11023317155 is an apocalyptic number.

11023317155 is a deficient number, since it is larger than the sum of its proper divisors (2205276637).

11023317155 is an equidigital number, since it uses as much as digits as its factorization.

11023317155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102205.

The product of its (nonzero) digits is 3150, while the sum is 29.

Adding to 11023317155 its reverse (55171332011), we get a palindrome (66194649166).

The spelling of 11023317155 in words is "eleven billion, twenty-three million, three hundred seventeen thousand, one hundred fifty-five".