11171170023 has 16 divisors (see below), whose sum is σ = 16884900480. Its totient is φ = 6512746464.

The previous prime is 11171169979. The next prime is 11171170037. The reversal of 11171170023 is 32007117111.

It is not a de Polignac number, because 11171170023 - 2²⁶ = 11104061159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11171169975 and 11171170002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11171171023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7537161 + ... + 7538642.

It is an arithmetic number, because the mean of its divisors is an integer number (1055306280).

Almost surely, 2^11171170023 is an apocalyptic number.

11171170023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11171170023 is a deficient number, since it is larger than the sum of its proper divisors (5713730457).

11171170023 is a wasteful number, since it uses less digits than its factorization.

11171170023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15075838.

The product of its (nonzero) digits is 294, while the sum is 24.

Adding to 11171170023 its reverse (32007117111), we get a palindrome (43178287134).

The spelling of 11171170023 in words is "eleven billion, one hundred seventy-one million, one hundred seventy thousand, twenty-three".