11720019170 has 16 divisors (see below), whose sum is σ = 21544887168. Its totient is φ = 4588262640.

The previous prime is 11720019169. The next prime is 11720019191. The reversal of 11720019170 is 7191002711.

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, 12467636 + ... + 12468575.

It is an arithmetic number, because the mean of its divisors is an integer number (1346555448).

Almost surely, 2^11720019170 is an apocalyptic number.

11720019170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11720019170 is a deficient number, since it is larger than the sum of its proper divisors (9824867998).

11720019170 is a wasteful number, since it uses less digits than its factorization.

11720019170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24936265.

The product of its (nonzero) digits is 882, while the sum is 29.

The spelling of 11720019170 in words is "eleven billion, seven hundred twenty million, nineteen thousand, one hundred seventy".