75550120102 has 4 divisors (see below), whose sum is σ = 113325180156. Its totient is φ = 37775060050.

The previous prime is 75550120081. The next prime is 75550120117. The reversal of 75550120102 is 20102105557.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 18887530024 + ... + 18887530027.

It is an arithmetic number, because the mean of its divisors is an integer number (28331295039).

Almost surely, 2^75550120102 is an apocalyptic number.

75550120102 is a deficient number, since it is larger than the sum of its proper divisors (37775060054).

75550120102 is a wasteful number, since it uses less digits than its factorization.

75550120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37775060053.

The product of its (nonzero) digits is 3500, while the sum is 28.

Adding to 75550120102 its reverse (20102105557), we get a palindrome (95652225659).

The spelling of 75550120102 in words is "seventy-five billion, five hundred fifty million, one hundred twenty thousand, one hundred two".