189952803011 has 4 divisors (see below), whose sum is σ = 189953766000. Its totient is φ = 189951840024.

The previous prime is 189952802989. The next prime is 189952803059. The reversal of 189952803011 is 110308259981.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 110308259981 = 1193 ⋅92462917.

It is a cyclic number.

It is not a de Polignac number, because 189952803011 - 2¹⁸ = 189952540867 is a prime.

It is a super-2 number, since 2×189952803011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189952803511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66236 + ... + 619913.

It is an arithmetic number, because the mean of its divisors is an integer number (47488441500).

Almost surely, 2^189952803011 is an apocalyptic number.

189952803011 is a deficient number, since it is larger than the sum of its proper divisors (962989).

189952803011 is an equidigital number, since it uses as much as digits as its factorization.

189952803011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962988.

The product of its (nonzero) digits is 155520, while the sum is 47.

The spelling of 189952803011 in words is "one hundred eighty-nine billion, nine hundred fifty-two million, eight hundred three thousand, eleven".