75055404512 has 96 divisors (see below), whose sum is σ = 169796995200. Its totient is φ = 32298739200.

The previous prime is 75055404491. The next prime is 75055404581. The reversal of 75055404512 is 21540455057.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13567187 + ... + 13572717.

It is an arithmetic number, because the mean of its divisors is an integer number (1768718700).

Almost surely, 2^75055404512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75055404512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84898497600).

75055404512 is an abundant number, since it is smaller than the sum of its proper divisors (94741590688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75055404512 is a wasteful number, since it uses less digits than its factorization.

75055404512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7600 (or 7592 counting only the distinct ones).

The product of its (nonzero) digits is 140000, while the sum is 38.

Adding to 75055404512 its reverse (21540455057), we get a palindrome (96595859569).

The spelling of 75055404512 in words is "seventy-five billion, fifty-five million, four hundred four thousand, five hundred twelve".