11061319280 has 80 divisors (see below), whose sum is σ = 29705893344. Its totient is φ = 3785687040.

The previous prime is 11061319279. The next prime is 11061319307. The reversal of 11061319280 is 8291316011.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354737 + ... + 384656.

Almost surely, 2^11061319280 is an apocalyptic number.

11061319280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11061319280 is an abundant number, since it is smaller than the sum of its proper divisors (18644574064).

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

11061319280 is a wasteful number, since it uses less digits than its factorization.

11061319280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739434 (or 739428 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 11061319280 in words is "eleven billion, sixty-one million, three hundred nineteen thousand, two hundred eighty".