11519810912 has 48 divisors (see below), whose sum is σ = 25057825632. Its totient is φ = 5185382400.

The previous prime is 11519810909. The next prime is 11519810921. The reversal of 11519810912 is 21901891511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447839 + ... + 472862.

It is an arithmetic number, because the mean of its divisors is an integer number (522038034).

Almost surely, 2^11519810912 is an apocalyptic number.

It is an amenable number.

11519810912 is an abundant number, since it is smaller than the sum of its proper divisors (13538014720).

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

11519810912 is a wasteful number, since it uses less digits than its factorization.

11519810912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920751 (or 920743 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 38.

The spelling of 11519810912 in words is "eleven billion, five hundred nineteen million, eight hundred ten thousand, nine hundred twelve".