65555555130 has 48 divisors (see below), whose sum is σ = 183555557640. Its totient is φ = 16136751744.

The previous prime is 65555555123. The next prime is 65555555141. The reversal of 65555555130 is 3155555556.

65555555130 is a `hidden beast` number, since 65 + 5 + 5 + 5 + 5 + 551 + 30 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 52806661209 + 12748893921 = 229797^2 + 112911^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 28014025 + ... + 28016364.

Almost surely, 2^65555555130 is an apocalyptic number.

65555555130 is an abundant number, since it is smaller than the sum of its proper divisors (118000002510).

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

65555555130 is a wasteful number, since it uses less digits than its factorization.

65555555130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56030415 (or 56030412 counting only the distinct ones).

The product of its (nonzero) digits is 1406250, while the sum is 45.

The spelling of 65555555130 in words is "sixty-five billion, five hundred fifty-five million, five hundred fifty-five thousand, one hundred thirty".