105055155 has 48 divisors (see below), whose sum is σ = 195099840. Its totient is φ = 52107264.

The previous prime is 105055147. The next prime is 105055177. The reversal of 105055155 is 551550501.

105055155 is a `hidden beast` number, since 1 + 0 + 505 + 5 + 155 = 666.

It is not a de Polignac number, because 105055155 - 2³ = 105055147 is a prime.

It is a super-2 number, since 2×105055155² = 22073171184148050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67314 + ... + 68856.

It is an arithmetic number, because the mean of its divisors is an integer number (4064580).

Almost surely, 2^105055155 is an apocalyptic number.

105055155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105055155 is a deficient number, since it is larger than the sum of its proper divisors (90044685).

105055155 is a wasteful number, since it uses less digits than its factorization.

105055155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660 (or 1657 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 27.

The square root of 105055155 is about 10249.6417010547. The cubic root of 105055155 is about 471.8519881473.

The spelling of 105055155 in words is "one hundred five million, fifty-five thousand, one hundred fifty-five".