61055111160100 has 72 divisors (see below), whose sum is σ = 137214273224448. Its totient is φ = 23565772473600.

The previous prime is 61055111160083. The next prime is 61055111160163. The reversal of 61055111160100 is 106111155016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91148337 + ... + 91815736.

It is an arithmetic number, because the mean of its divisors is an integer number (1905753794784).

Almost surely, 2^{61055111160100} is an apocalyptic number.

It is an amenable number.

61055111160100 is an abundant number, since it is smaller than the sum of its proper divisors (76159162064348).

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

61055111160100 is a wasteful number, since it uses less digits than its factorization.

61055111160100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182964205 (or 182964198 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 28.

It can be divided in two parts, 61055 and 111160100, that added together give a triangular number (111221155 = T₁₄₉₁₄).

The spelling of 61055111160100 in words is "sixty-one trillion, fifty-five billion, one hundred eleven million, one hundred sixty thousand, one hundred".