61101105 has 24 divisors (see below), whose sum is σ = 105864768. Its totient is φ = 30079296.

The previous prime is 61101101. The next prime is 61101107. The reversal of 61101105 is 50110116.

It is not a de Polignac number, because 61101105 - 2² = 61101101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (61101101) by changing a digit.

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, 9517 + ... + 14586.

It is an arithmetic number, because the mean of its divisors is an integer number (4411032).

Almost surely, 2^61101105 is an apocalyptic number.

61101105 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

61101105 is a deficient number, since it is larger than the sum of its proper divisors (44763663).

61101105 is a wasteful number, since it uses less digits than its factorization.

61101105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24137 (or 24124 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 61101105 is about 7816.7195804890. The cubic root of 61101105 is about 393.8670843543.

The spelling of 61101105 in words is "sixty-one million, one hundred one thousand, one hundred five".