61101055 has 12 divisors (see below), whose sum is σ = 77385672. Its totient is φ = 46306800.

The previous prime is 61101037. The next prime is 61101059. The reversal of 61101055 is 55010116.

It is not a de Polignac number, because 61101055 - 2¹¹ = 61099007 is a prime.

It is a super-2 number, since 2×61101055² = 7466677844226050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61101059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15121 + ... + 18730.

It is an arithmetic number, because the mean of its divisors is an integer number (6448806).

Almost surely, 2^61101055 is an apocalyptic number.

61101055 is a deficient number, since it is larger than the sum of its proper divisors (16284617).

61101055 is a wasteful number, since it uses less digits than its factorization.

61101055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33894 (or 33875 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 61101055 is about 7816.7163822157. The cubic root of 61101055 is about 393.8669769184.

It can be divided in two parts, 611010 and 55, that added together give a triangular number (611065 = T₁₁₀₅).

The spelling of 61101055 in words is "sixty-one million, one hundred one thousand, fifty-five".