61100455 has 32 divisors (see below), whose sum is σ = 82047168. Its totient is φ = 43392000.

The previous prime is 61100437. The next prime is 61100461. The reversal of 61100455 is 55400116.

61100455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61100455 - 2¹³ = 61092263 is a prime.

It is a super-3 number, since 3×61100455³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269052 + ... + 269278.

It is an arithmetic number, because the mean of its divisors is an integer number (2563974).

Almost surely, 2^61100455 is an apocalyptic number.

61100455 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

61100455 is a deficient number, since it is larger than the sum of its proper divisors (20946713).

61100455 is a wasteful number, since it uses less digits than its factorization.

61100455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 61100455 is about 7816.6780028347. The cubic root of 61100455 is about 393.8656876828.

The spelling of 61100455 in words is "sixty-one million, one hundred thousand, four hundred fifty-five".