7135521872737 has 8 divisors (see below), whose sum is σ = 7466600000000. Its totient is φ = 6810749995680.

The previous prime is 7135521872723. The next prime is 7135521872741. The reversal of 7135521872737 is 7372781255317.

It is a happy number.

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 7135521872737 - 2¹¹ = 7135521870689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7135521872777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1576560237 + ... + 1576564762.

It is an arithmetic number, because the mean of its divisors is an integer number (933325000000).

Almost surely, 2^{7135521872737} is an apocalyptic number.

It is an amenable number.

7135521872737 is a deficient number, since it is larger than the sum of its proper divisors (331078127263).

7135521872737 is a wasteful number, since it uses less digits than its factorization.

7135521872737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3153125103.

The product of its digits is 17287200, while the sum is 58.

The spelling of 7135521872737 in words is "seven trillion, one hundred thirty-five billion, five hundred twenty-one million, eight hundred seventy-two thousand, seven hundred thirty-seven".