11016505545 has 16 divisors (see below), whose sum is σ = 18001440000. Its totient is φ = 5750459264.

The previous prime is 11016505531. The next prime is 11016505553. The reversal of 11016505545 is 54550561011.

It is a cyclic number.

It is not a de Polignac number, because 11016505545 - 2⁸ = 11016505289 is a prime.

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, 7812420 + ... + 7813829.

It is an arithmetic number, because the mean of its divisors is an integer number (1125090000).

Almost surely, 2^11016505545 is an apocalyptic number.

11016505545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11016505545 is a deficient number, since it is larger than the sum of its proper divisors (6984934455).

11016505545 is a wasteful number, since it uses less digits than its factorization.

11016505545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15626304.

The product of its (nonzero) digits is 15000, while the sum is 33.

The spelling of 11016505545 in words is "eleven billion, sixteen million, five hundred five thousand, five hundred forty-five".