11989321010 has 8 divisors (see below), whose sum is σ = 21580777836. Its totient is φ = 4795728400.

The previous prime is 11989321007. The next prime is 11989321031. The reversal of 11989321010 is 1012398911.

It can be written as a sum of positive squares in 2 ways, for example, as 11973392929 + 15928081 = 109423^2 + 3991^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599466041 + ... + 599466060.

Almost surely, 2^11989321010 is an apocalyptic number.

11989321010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11989321010 is a deficient number, since it is larger than the sum of its proper divisors (9591456826).

11989321010 is a wasteful number, since it uses less digits than its factorization.

11989321010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198932108.

The product of its (nonzero) digits is 3888, while the sum is 35.

The spelling of 11989321010 in words is "eleven billion, nine hundred eighty-nine million, three hundred twenty-one thousand, ten".