11159014512 has 80 divisors (see below), whose sum is σ = 30318059520. Its totient is φ = 3529886976.

The previous prime is 11159014483. The next prime is 11159014513. The reversal of 11159014512 is 21541095111.

It is a self number, because there is not a number n which added to its sum of digits gives 11159014512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11159014513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100414 + ... + 180002.

It is an arithmetic number, because the mean of its divisors is an integer number (378975744).

Almost surely, 2^11159014512 is an apocalyptic number.

11159014512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11159014512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15159029760).

11159014512 is an abundant number, since it is smaller than the sum of its proper divisors (19159045008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11159014512 is a wasteful number, since it uses less digits than its factorization.

11159014512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79750 (or 79744 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 30.

The spelling of 11159014512 in words is "eleven billion, one hundred fifty-nine million, fourteen thousand, five hundred twelve".