7505368345481 has 16 divisors (see below), whose sum is σ = 7844196233856. Its totient is φ = 7167585148416.

The previous prime is 7505368345471. The next prime is 7505368345499. The reversal of 7505368345481 is 1845438635057.

It is a cyclic number.

It is not a de Polignac number, because 7505368345481 - 2²⁶ = 7505301236617 is a prime.

It is a super-2 number, since 2×7505368345481² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7505368345481.

It is not an unprimeable number, because it can be changed into a prime (7505368345411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177105011 + ... + 177147383.

It is an arithmetic number, because the mean of its divisors is an integer number (490262264616).

Almost surely, 2^{7505368345481} is an apocalyptic number.

It is an amenable number.

7505368345481 is a deficient number, since it is larger than the sum of its proper divisors (338827888375).

7505368345481 is a wasteful number, since it uses less digits than its factorization.

7505368345481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54512.

The product of its (nonzero) digits is 48384000, while the sum is 59.

The spelling of 7505368345481 in words is "seven trillion, five hundred five billion, three hundred sixty-eight million, three hundred forty-five thousand, four hundred eighty-one".