7501134274121 has 4 divisors (see below), whose sum is σ = 7518457910292. Its totient is φ = 7483810637952.

The previous prime is 7501134274111. The next prime is 7501134274201. The reversal of 7501134274121 is 1214724311057.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 982201905721 + 6518932368400 = 991061^2 + 2553220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7501134274121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7501134274111) 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, 8661817436 + ... + 8661818301.

It is an arithmetic number, because the mean of its divisors is an integer number (1879614477573).

Almost surely, 2^{7501134274121} is an apocalyptic number.

It is an amenable number.

7501134274121 is a deficient number, since it is larger than the sum of its proper divisors (17323636171).

7501134274121 is a wasteful number, since it uses less digits than its factorization.

7501134274121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17323636170.

The product of its (nonzero) digits is 47040, while the sum is 38.

Adding to 7501134274121 its reverse (1214724311057), we get a palindrome (8715858585178).

The spelling of 7501134274121 in words is "seven trillion, five hundred one billion, one hundred thirty-four million, two hundred seventy-four thousand, one hundred twenty-one".