11061554880 has 56 divisors (see below), whose sum is σ = 35120439792. Its totient is φ = 2949747712.

The previous prime is 11061554873. The next prime is 11061554923. The reversal of 11061554880 is 8845516011.

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, 5760267 + ... + 5762186.

Almost surely, 2^11061554880 is an apocalyptic number.

11061554880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11061554880 is an abundant number, since it is smaller than the sum of its proper divisors (24058884912).

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

11061554880 is a wasteful number, since it uses less digits than its factorization.

11061554880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11522473 (or 11522463 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 39.

The spelling of 11061554880 in words is "eleven billion, sixty-one million, five hundred fifty-four thousand, eight hundred eighty".