105561351 has 12 divisors (see below), whose sum is σ = 174260112. Its totient is φ = 60320736.

The previous prime is 105561299. The next prime is 105561353. The reversal of 105561351 is 153165501.

It is not a de Polignac number, because 105561351 - 2⁷ = 105561223 is a prime.

It is a super-2 number, since 2×105561351² = 22286397649890402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105561353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 837726 + ... + 837851.

It is an arithmetic number, because the mean of its divisors is an integer number (14521676).

Almost surely, 2^105561351 is an apocalyptic number.

105561351 is a deficient number, since it is larger than the sum of its proper divisors (68698761).

105561351 is a wasteful number, since it uses less digits than its factorization.

105561351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675590 (or 1675587 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The square root of 105561351 is about 10274.3053779805. The cubic root of 105561351 is about 472.6086287572.

The spelling of 105561351 in words is "one hundred five million, five hundred sixty-one thousand, three hundred fifty-one".