94550715081 has 9 divisors (see below), whose sum is σ = 136574587591. Its totient is φ = 63033195072.

The previous prime is 94550715031. The next prime is 94550715097. The reversal of 94550715081 is 18051705549.

The square root of 94550715081 is 307491.

It is a perfect power (a square), and thus also a powerful number.

94550715081 is a `hidden beast` number, since 9 + 4 + 550 + 7 + 15 + 0 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 74438937225 + 20111777856 = 272835^2 + 141816^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 94550715081 - 2⁹ = 94550714569 is a prime.

It is a super-2 number, since 2×94550715081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94550715001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 871225 + ... + 973721.

Almost surely, 2^94550715081 is an apocalyptic number.

94550715081 is the 307491-st square number.

94550715081 is the 153746-th centered octagonal number.

It is an amenable number.

94550715081 is a deficient number, since it is larger than the sum of its proper divisors (42023872510).

94550715081 is an frugal number, since it uses more digits than its factorization.

94550715081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205000 (or 102500 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 45.

The spelling of 94550715081 in words is "ninety-four billion, five hundred fifty million, seven hundred fifteen thousand, eighty-one".