75118081158 has 96 divisors (see below), whose sum is σ = 173330067456. Its totient is φ = 24372417888.

The previous prime is 75118081151. The next prime is 75118081183. The reversal of 75118081158 is 85118081157.

75118081158 is a `hidden beast` number, since 7 + 511 + 8 + 0 + 81 + 1 + 58 = 666.

It is a super-2 number, since 2×75118081158² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75118081151) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 3259785 + ... + 3282747.

It is an arithmetic number, because the mean of its divisors is an integer number (1805521536).

Almost surely, 2^75118081158 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75118081158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86665033728).

75118081158 is an abundant number, since it is smaller than the sum of its proper divisors (98211986298).

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

75118081158 is a wasteful number, since it uses less digits than its factorization.

75118081158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23160 (or 23148 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 45.

Subtracting 75118081158 from its reverse (85118081157), we obtain a palindrome (9999999999).

The spelling of 75118081158 in words is "seventy-five billion, one hundred eighteen million, eighty-one thousand, one hundred fifty-eight".