11081600538 has 16 divisors (see below), whose sum is σ = 22171568160. Its totient is φ = 3692472336.

The previous prime is 11081600507. The next prime is 11081600561. The reversal of 11081600538 is 83500618011.

It is a junction number, because it is equal to n+sod(n) for n = 11081600499 and 11081600508.

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, 331345 + ... + 363252.

It is an arithmetic number, because the mean of its divisors is an integer number (1385723010).

Almost surely, 2^11081600538 is an apocalyptic number.

11081600538 is an abundant number, since it is smaller than the sum of its proper divisors (11089967622).

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

11081600538 is a wasteful number, since it uses less digits than its factorization.

11081600538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697261.

The product of its (nonzero) digits is 5760, while the sum is 33.

The spelling of 11081600538 in words is "eleven billion, eighty-one million, six hundred thousand, five hundred thirty-eight".