60055555121 has 6 divisors (see below), whose sum is σ = 63796039830. Its totient is φ = 56522875136.

The previous prime is 60055555111. The next prime is 60055555127. The reversal of 60055555121 is 12155555006.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 21378826225 + 38676728896 = 146215^2 + 196664^2 .

It is a de Polignac number, because none of the positive numbers 2^k-60055555121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60055555127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 103902056 + ... + 103902633.

It is an arithmetic number, because the mean of its divisors is an integer number (10632673305).

Almost surely, 2^60055555121 is an apocalyptic number.

It is an amenable number.

60055555121 is a deficient number, since it is larger than the sum of its proper divisors (3740484709).

60055555121 is a wasteful number, since it uses less digits than its factorization.

60055555121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207804723 (or 207804706 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 35.

The spelling of 60055555121 in words is "sixty billion, fifty-five million, five hundred fifty-five thousand, one hundred twenty-one".