11280712912 has 40 divisors (see below), whose sum is σ = 25158459200. Its totient is φ = 4799803392.

The previous prime is 11280712907. The next prime is 11280712913. The reversal of 11280712912 is 21921708211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11280712913) 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, 346737 + ... + 377872.

It is an arithmetic number, because the mean of its divisors is an integer number (628961480).

Almost surely, 2^11280712912 is an apocalyptic number.

It is an amenable number.

11280712912 is an abundant number, since it is smaller than the sum of its proper divisors (13877746288).

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

11280712912 is a wasteful number, since it uses less digits than its factorization.

11280712912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724763 (or 724757 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 34.

The spelling of 11280712912 in words is "eleven billion, two hundred eighty million, seven hundred twelve thousand, nine hundred twelve".