105050505 has 64 divisors (see below), whose sum is σ = 200724480. Its totient is φ = 45916416.

The previous prime is 105050483. The next prime is 105050551. The reversal of 105050505 is 505050501.

It is not a de Polignac number, because 105050505 - 2⁷ = 105050377 is a prime.

It is a super-2 number, since 2×105050505² = 22071217201510050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an alternating number because its digits alternate between odd and even.

105050505 is a modest number, since divided by 50505 gives 105 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 239076 + ... + 239514.

It is an arithmetic number, because the mean of its divisors is an integer number (3136320).

Almost surely, 2^105050505 is an apocalyptic number.

105050505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105050505 is a deficient number, since it is larger than the sum of its proper divisors (95673975).

105050505 is a wasteful number, since it uses less digits than its factorization.

105050505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550.

The product of its (nonzero) digits is 625, while the sum is 21.

The square root of 105050505 is about 10249.4148613470. The cubic root of 105050505 is about 471.8450262674.

The spelling of 105050505 in words is "one hundred five million, fifty thousand, five hundred five".