75118081157 has 16 divisors (see below), whose sum is σ = 86015404800. Its totient is φ = 64262408832.

The previous prime is 75118081151. The next prime is 75118081183.

It is a happy number.

75118081157 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 75118081157 - 2⁴ = 75118081141 is a prime.

It is a super-2 number, since 2×75118081157² (a number of 23 digits) contains 22 as substring.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 12839969 + ... + 12845817.

It is an arithmetic number, because the mean of its divisors is an integer number (5375962800).

Almost surely, 2^75118081157 is an apocalyptic number.

It is an amenable number.

75118081157 is a deficient number, since it is larger than the sum of its proper divisors (10897323643).

75118081157 is a wasteful number, since it uses less digits than its factorization.

75118081157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9092.

The product of its (nonzero) digits is 78400, while the sum is 44.

The spelling of 75118081157 in words is "seventy-five billion, one hundred eighteen million, eighty-one thousand, one hundred fifty-seven".