75012445056 has 256 divisors, whose sum is σ = 226286265600. Its totient is φ = 21872148480.

The previous prime is 75012445049. The next prime is 75012445063. The reversal of 75012445056 is 65054421057.

It is an interprime number because it is at equal distance from previous prime (75012445049) and next prime (75012445063).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6567991 + ... + 6579401.

It is an arithmetic number, because the mean of its divisors is an integer number (883930725).

Almost surely, 2^75012445056 is an apocalyptic number.

75012445056 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75012445056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113143132800).

75012445056 is an abundant number, since it is smaller than the sum of its proper divisors (151273820544).

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

75012445056 is a wasteful number, since it uses less digits than its factorization.

75012445056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11517 (or 11505 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 39.

The spelling of 75012445056 in words is "seventy-five billion, twelve million, four hundred forty-five thousand, fifty-six".