11205916149 has 8 divisors (see below), whose sum is σ = 14946751840. Its totient is φ = 7467845616.

The previous prime is 11205916147. The next prime is 11205916201. The reversal of 11205916149 is 94161950211.

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

It is not a de Polignac number, because 11205916149 - 2¹ = 11205916147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11205916147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 681814 + ... + 698055.

It is an arithmetic number, because the mean of its divisors is an integer number (1868343980).

Almost surely, 2^11205916149 is an apocalyptic number.

It is an amenable number.

11205916149 is a deficient number, since it is larger than the sum of its proper divisors (3740835691).

11205916149 is a wasteful number, since it uses less digits than its factorization.

11205916149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382579.

The product of its (nonzero) digits is 19440, while the sum is 39.

The spelling of 11205916149 in words is "eleven billion, two hundred five million, nine hundred sixteen thousand, one hundred forty-nine".