85461516155 has 8 divisors (see below), whose sum is σ = 102555422784. Its totient is φ = 68368144000.

The previous prime is 85461516149. The next prime is 85461516169. The reversal of 85461516155 is 55161516458.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85461516155 - 2¹⁴ = 85461499771 is a prime.

It is a super-2 number, since 2×85461516155² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449555 + ... + 610755.

It is an arithmetic number, because the mean of its divisors is an integer number (12819427848).

Almost surely, 2^85461516155 is an apocalyptic number.

85461516155 is a deficient number, since it is larger than the sum of its proper divisors (17093906629).

85461516155 is a wasteful number, since it uses less digits than its factorization.

85461516155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267237.

The product of its digits is 720000, while the sum is 47.

The spelling of 85461516155 in words is "eighty-five billion, four hundred sixty-one million, five hundred sixteen thousand, one hundred fifty-five".