61355105 has 24 divisors (see below), whose sum is σ = 86107392. Its totient is φ = 41846112.

The previous prime is 61355051. The next prime is 61355117. The reversal of 61355105 is 50155316.

It is not a de Polignac number, because 61355105 - 2⁸ = 61354849 is a prime.

It is a super-2 number, since 2×61355105² = 7528897819122050, which contains 22 as substring.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54074 + ... + 55196.

It is an arithmetic number, because the mean of its divisors is an integer number (3587808).

Almost surely, 2^61355105 is an apocalyptic number.

It is an amenable number.

61355105 is a deficient number, since it is larger than the sum of its proper divisors (24752287).

61355105 is a wasteful number, since it uses less digits than its factorization.

61355105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365 (or 1358 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 61355105 is about 7832.9499551574. The cubic root of 61355105 is about 394.4121041321.

The spelling of 61355105 in words is "sixty-one million, three hundred fifty-five thousand, one hundred five".