75344455611 has 8 divisors (see below), whose sum is σ = 111621415760. Its totient is φ = 50229637056.

The previous prime is 75344455567. The next prime is 75344455621. The reversal of 75344455611 is 11655444357.

It is a happy number.

75344455611 is a `hidden beast` number, since 7 + 5 + 3 + 44 + 45 + 561 + 1 = 666.

It is not a de Polignac number, because 75344455611 - 2³⁴ = 58164586427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75344455621) 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, 1395267670 + ... + 1395267723.

It is an arithmetic number, because the mean of its divisors is an integer number (13952676970).

Almost surely, 2^75344455611 is an apocalyptic number.

75344455611 is a deficient number, since it is larger than the sum of its proper divisors (36276960149).

75344455611 is a wasteful number, since it uses less digits than its factorization.

75344455611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2790535402 (or 2790535396 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

Adding to 75344455611 its reverse (11655444357), we get a palindrome (86999899968).

The spelling of 75344455611 in words is "seventy-five billion, three hundred forty-four million, four hundred fifty-five thousand, six hundred eleven".