75000000000000 has 390 divisors, whose sum is σ = 249969482413684. Its totient is φ = 20000000000000.

The previous prime is 74999999999987. The next prime is 75000000000031. The reversal of 75000000000000 is 57.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 14999999999998 + ... + 15000000000002.

Almost surely, 2^{75000000000000} 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 75000000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124984741206842).

75000000000000 is an abundant number, since it is smaller than the sum of its proper divisors (174969482413684).

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

75000000000000 is an frugal number, since it uses more digits than its factorization.

75000000000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 10 counting only the distinct ones).

The product of its (nonzero) digits is 35, while the sum is 12.

Multiplying 75000000000000 by its sum of digits (12), we get a square (900000000000000 = 30000000²).

75000000000000 divided by its sum of digits (12) gives a square (6250000000000 = 2500000²).

Adding to 75000000000000 its reverse (57), we get a palindrome (75000000000057).

The spelling of 75000000000000 in words is "seventy-five trillion", and thus it is an aban number and an uban number.