61055055102 has 16 divisors (see below), whose sum is σ = 122244751872. Its totient is φ = 20329244760.

The previous prime is 61055055097. The next prime is 61055055163. The reversal of 61055055102 is 20155055016.

It is a self number, because there is not a number n which added to its sum of digits gives 61055055102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5604174 + ... + 5615057.

It is an arithmetic number, because the mean of its divisors is an integer number (7640296992).

Almost surely, 2^61055055102 is an apocalyptic number.

61055055102 is an abundant number, since it is smaller than the sum of its proper divisors (61189696770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61055055102 is a wasteful number, since it uses less digits than its factorization.

61055055102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11220143.

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 61055055102 in words is "sixty-one billion, fifty-five million, fifty-five thousand, one hundred two".