74531116075121 has 8 divisors (see below), whose sum is σ = 77896011826920. Its totient is φ = 71219210807808.

The previous prime is 74531116075051. The next prime is 74531116075159. The reversal of 74531116075121 is 12157061113547.

It can be written as a sum of positive squares in 4 ways, for example, as 12790636960000 + 61740479115121 = 3576400^2 + 7857511^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 74531116075121 - 2¹⁰ = 74531116074097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74531116075021) 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 7 ways as a sum of consecutive naturals, for example, 13247618246 + ... + 13247623871.

It is an arithmetic number, because the mean of its divisors is an integer number (9737001478365).

Almost surely, 2^{74531116075121} is an apocalyptic number.

It is an amenable number.

74531116075121 is a deficient number, since it is larger than the sum of its proper divisors (3364895751799).

74531116075121 is a wasteful number, since it uses less digits than its factorization.

74531116075121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26495242243.

The product of its (nonzero) digits is 176400, while the sum is 44.

Adding to 74531116075121 its reverse (12157061113547), we get a palindrome (86688177188668).

The spelling of 74531116075121 in words is "seventy-four trillion, five hundred thirty-one billion, one hundred sixteen million, seventy-five thousand, one hundred twenty-one".