61100556005106 has 24 divisors (see below), whose sum is σ = 136949522081580. Its totient is φ = 19664546760096.

The previous prime is 61100556005101. The next prime is 61100556005107. The reversal of 61100556005106 is 60150065500116.

It can be written as a sum of positive squares in 2 ways, for example, as 61039203192081 + 61352813025 = 7812759^2 + 247695^2 .

It is not an unprimeable number, because it can be changed into a prime (61100556005101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58525436265 + ... + 58525437308.

Almost surely, 2^{61100556005106} is an apocalyptic number.

61100556005106 is an abundant number, since it is smaller than the sum of its proper divisors (75848966076474).

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

61100556005106 is a wasteful number, since it uses less digits than its factorization.

61100556005106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117050873610 (or 117050873607 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 61100556005106 in words is "sixty-one trillion, one hundred billion, five hundred fifty-six million, five thousand, one hundred six".