61055110155 has 32 divisors (see below), whose sum is σ = 105214697280. Its totient is φ = 30054458880.

The previous prime is 61055110147. The next prime is 61055110163. The reversal of 61055110155 is 55101155016.

It is an interprime number because it is at equal distance from previous prime (61055110147) and next prime (61055110163).

It is not a de Polignac number, because 61055110155 - 2³ = 61055110147 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2926501 + ... + 2947289.

It is an arithmetic number, because the mean of its divisors is an integer number (3287959290).

Almost surely, 2^61055110155 is an apocalyptic number.

61055110155 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

61055110155 is a deficient number, since it is larger than the sum of its proper divisors (44159587125).

61055110155 is a wasteful number, since it uses less digits than its factorization.

61055110155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35871.

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 61055110155 in words is "sixty-one billion, fifty-five million, one hundred ten thousand, one hundred fifty-five".