8518109061 has 32 divisors (see below), whose sum is σ = 14461267968. Its totient is φ = 4330837440.

The previous prime is 8518109053. The next prime is 8518109069. The reversal of 8518109061 is 1609018158.

It is an interprime number because it is at equal distance from previous prime (8518109053) and next prime (8518109069).

It is not a de Polignac number, because 8518109061 - 2³ = 8518109053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8518109069) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 381430 + ... + 403143.

It is an arithmetic number, because the mean of its divisors is an integer number (451914624).

Almost surely, 2^8518109061 is an apocalyptic number.

It is an amenable number.

8518109061 is a deficient number, since it is larger than the sum of its proper divisors (5943158907).

8518109061 is a wasteful number, since it uses less digits than its factorization.

8518109061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784641.

The product of its (nonzero) digits is 17280, while the sum is 39.

The square root of 8518109061 is about 92293.6024922638. The cubic root of 8518109061 is about 2042.2758355054.

The spelling of 8518109061 in words is "eight billion, five hundred eighteen million, one hundred nine thousand, sixty-one".