11051556216 has 32 divisors (see below), whose sum is σ = 27882373200. Its totient is φ = 3650054400.

The previous prime is 11051556211. The next prime is 11051556277. The reversal of 11051556216 is 61265515011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11051556211) 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, 2109685 + ... + 2114916.

Almost surely, 2^11051556216 is an apocalyptic number.

It is an amenable number.

11051556216 is an abundant number, since it is smaller than the sum of its proper divisors (16830816984).

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

11051556216 is a wasteful number, since it uses less digits than its factorization.

11051556216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4224719 (or 4224715 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 33.

The spelling of 11051556216 in words is "eleven billion, fifty-one million, five hundred fifty-six thousand, two hundred sixteen".