16552415011 has 4 divisors (see below), whose sum is σ = 18057180024. Its totient is φ = 15047650000.

The previous prime is 16552414981. The next prime is 16552415051. The reversal of 16552415011 is 11051425561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11051425561 = 11 ⋅1004675051.

It is a cyclic number.

It is not a de Polignac number, because 16552415011 - 2⁹ = 16552414499 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16552415051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752382490 + ... + 752382511.

It is an arithmetic number, because the mean of its divisors is an integer number (4514295006).

Almost surely, 2^16552415011 is an apocalyptic number.

16552415011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16552415011 is a deficient number, since it is larger than the sum of its proper divisors (1504765013).

16552415011 is a wasteful number, since it uses less digits than its factorization.

16552415011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504765012.

The product of its (nonzero) digits is 6000, while the sum is 31.

The spelling of 16552415011 in words is "sixteen billion, five hundred fifty-two million, four hundred fifteen thousand, eleven".