75508520171072 has 56 divisors (see below), whose sum is σ = 150593138223840. Its totient is φ = 37564004280320.

The previous prime is 75508520171053. The next prime is 75508520171087. The reversal of 75508520171072 is 27017102580557.

It is a super-2 number, since 2×75508520171072² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 75508520171072.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21169304 + ... + 24477672.

Almost surely, 2^{75508520171072} is an apocalyptic number.

It is an amenable number.

75508520171072 is a deficient number, since it is larger than the sum of its proper divisors (75084618052768).

75508520171072 is a wasteful number, since it uses less digits than its factorization.

75508520171072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3310179 (or 3310169 counting only the distinct ones).

The product of its (nonzero) digits is 1372000, while the sum is 50.

The spelling of 75508520171072 in words is "seventy-five trillion, five hundred eight billion, five hundred twenty million, one hundred seventy-one thousand, seventy-two".