105166115571 has 24 divisors (see below), whose sum is σ = 159099630592. Its totient is φ = 61680999600.

The previous prime is 105166115563. The next prime is 105166115609. The reversal of 105166115571 is 175511661501.

It is not a de Polignac number, because 105166115571 - 2³ = 105166115563 is a prime.

It is a super-2 number, since 2×105166115571² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105166115671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4661551 + ... + 4684056.

Almost surely, 2^105166115571 is an apocalyptic number.

105166115571 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

105166115571 is a deficient number, since it is larger than the sum of its proper divisors (53933515021).

105166115571 is a wasteful number, since it uses less digits than its factorization.

105166115571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9345663 (or 9345652 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 39.

The spelling of 105166115571 in words is "one hundred five billion, one hundred sixty-six million, one hundred fifteen thousand, five hundred seventy-one".