74115241121 has 4 divisors (see below), whose sum is σ = 74119219200. Its totient is φ = 74111263044.

The previous prime is 74115241117. The next prime is 74115241127. The reversal of 74115241121 is 12114251147.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 74115241121 - 2² = 74115241117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74115241127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1960961 + ... + 1998398.

It is an arithmetic number, because the mean of its divisors is an integer number (18529804800).

Almost surely, 2^74115241121 is an apocalyptic number.

It is an amenable number.

74115241121 is a deficient number, since it is larger than the sum of its proper divisors (3978079).

74115241121 is a wasteful number, since it uses less digits than its factorization.

74115241121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3978078.

The product of its digits is 2240, while the sum is 29.

Adding to 74115241121 its reverse (12114251147), we get a palindrome (86229492268).

The spelling of 74115241121 in words is "seventy-four billion, one hundred fifteen million, two hundred forty-one thousand, one hundred twenty-one".