85312302255561 has 8 divisors (see below), whose sum is σ = 113753482296064. Its totient is φ = 56872995192720.

The previous prime is 85312302255473. The next prime is 85312302255581. The reversal of 85312302255561 is 16555220321358.

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

It is not a de Polignac number, because 85312302255561 - 2²³ = 85312293866953 is a prime.

It is a super-2 number, since 2×85312302255561² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85312302255561.

It is not an unprimeable number, because it can be changed into a prime (85312302255581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468138130 + ... + 468320331.

It is an arithmetic number, because the mean of its divisors is an integer number (14219185287008).

Almost surely, 2^{85312302255561} is an apocalyptic number.

It is an amenable number.

85312302255561 is a deficient number, since it is larger than the sum of its proper divisors (28441180040503).

85312302255561 is a wasteful number, since it uses less digits than its factorization.

85312302255561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936488831.

The product of its (nonzero) digits is 2160000, while the sum is 48.

The spelling of 85312302255561 in words is "eighty-five trillion, three hundred twelve billion, three hundred two million, two hundred fifty-five thousand, five hundred sixty-one".