85541241138 has 32 divisors (see below), whose sum is σ = 182084780736. Its totient is φ = 26697412608.

The previous prime is 85541241119. The next prime is 85541241143. The reversal of 85541241138 is 83114214558.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 85541241138.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2152956 + ... + 2192327.

It is an arithmetic number, because the mean of its divisors is an integer number (5690149398).

Almost surely, 2^85541241138 is an apocalyptic number.

85541241138 is an abundant number, since it is smaller than the sum of its proper divisors (96543539598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85541241138 is a wasteful number, since it uses less digits than its factorization.

85541241138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4345498.

The product of its digits is 153600, while the sum is 42.

The spelling of 85541241138 in words is "eighty-five billion, five hundred forty-one million, two hundred forty-one thousand, one hundred thirty-eight".