11989185046 has 8 divisors (see below), whose sum is σ = 18603907920. Its totient is φ = 5787882408.

The previous prime is 11989185029. The next prime is 11989185053. The reversal of 11989185046 is 64058198911.

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

It is a junction number, because it is equal to n+sod(n) for n = 11989184984 and 11989185002.

It is a congruent 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, 103354986 + ... + 103355101.

It is an arithmetic number, because the mean of its divisors is an integer number (2325488490).

Almost surely, 2^11989185046 is an apocalyptic number.

11989185046 is a deficient number, since it is larger than the sum of its proper divisors (6614722874).

11989185046 is a wasteful number, since it uses less digits than its factorization.

11989185046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206710118.

The product of its (nonzero) digits is 622080, while the sum is 52.

The spelling of 11989185046 in words is "eleven billion, nine hundred eighty-nine million, one hundred eighty-five thousand, forty-six".