11313171890 has 32 divisors (see below), whose sum is σ = 20483280000. Its totient is φ = 4498737408.

The previous prime is 11313171887. The next prime is 11313171893. The reversal of 11313171890 is 9817131311.

It is an interprime number because it is at equal distance from previous prime (11313171887) and next prime (11313171893).

It is a self number, because there is not a number n which added to its sum of digits gives 11313171890.

It is not an unprimeable number, because it can be changed into a prime (11313171893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4334906 + ... + 4337514.

It is an arithmetic number, because the mean of its divisors is an integer number (640102500).

Almost surely, 2^11313171890 is an apocalyptic number.

11313171890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11313171890 is a deficient number, since it is larger than the sum of its proper divisors (9170108110).

11313171890 is a wasteful number, since it uses less digits than its factorization.

11313171890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4994.

The product of its (nonzero) digits is 4536, while the sum is 35.

The spelling of 11313171890 in words is "eleven billion, three hundred thirteen million, one hundred seventy-one thousand, eight hundred ninety".