84555011061 has 6 divisors (see below), whose sum is σ = 122135015990. Its totient is φ = 56370007368.

The previous prime is 84555011039. The next prime is 84555011071. The reversal of 84555011061 is 16011055548.

84555011061 is a `hidden beast` number, since 8 + 45 + 5 + 501 + 106 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 43469748036 + 41085263025 = 208494^2 + 202695^2 .

It is not a de Polignac number, because 84555011061 - 2⁹ = 84555010549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84555011071) 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, 4697500606 + ... + 4697500623.

Almost surely, 2^84555011061 is an apocalyptic number.

It is an amenable number.

84555011061 is a deficient number, since it is larger than the sum of its proper divisors (37580004929).

84555011061 is a wasteful number, since it uses less digits than its factorization.

84555011061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9395001235 (or 9395001232 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 36.

The spelling of 84555011061 in words is "eighty-four billion, five hundred fifty-five million, eleven thousand, sixty-one".