7541707811089 has 3 divisors (see below), whose sum is σ = 7541710557307. Its totient is φ = 7541705064872.

The previous prime is 7541707811081. The next prime is 7541707811101. The reversal of 7541707811089 is 9801187071457.

The square root of 7541707811089 is 2746217.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 1140848291025 + 6400859520064 = 1068105^2 + 2529992^2 .

It is not a de Polignac number, because 7541707811089 - 2³ = 7541707811081 is a prime.

It is a super-2 number, since 2×7541707811089² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7541707811081) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1373109 + ... + 4119325.

Almost surely, 2^{7541707811089} is an apocalyptic number.

7541707811089 is the 2746217-th square number.

7541707811089 is the 1373109-th centered octagonal number.

It is an amenable number.

7541707811089 is a deficient number, since it is larger than the sum of its proper divisors (2746218).

7541707811089 is an frugal number, since it uses more digits than its factorization.

7541707811089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5492434 (or 2746217 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 58.

The spelling of 7541707811089 in words is "seven trillion, five hundred forty-one billion, seven hundred seven million, eight hundred eleven thousand, eighty-nine".