75995020312021 has 16 divisors (see below), whose sum is σ = 81949080245760. Its totient is φ = 70236531025920.

The previous prime is 75995020311901. The next prime is 75995020312027. The reversal of 75995020312021 is 12021302059957.

It is not a de Polignac number, because 75995020312021 - 2¹⁹ = 75995019787733 is a prime.

It is a super-2 number, since 2×75995020312021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75995020312027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17983260 + ... + 21803386.

It is an arithmetic number, because the mean of its divisors is an integer number (5121817515360).

Almost surely, 2^{75995020312021} is an apocalyptic number.

It is an amenable number.

75995020312021 is a deficient number, since it is larger than the sum of its proper divisors (5954059933739).

75995020312021 is a wasteful number, since it uses less digits than its factorization.

75995020312021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3845724.

The product of its (nonzero) digits is 340200, while the sum is 46.

The spelling of 75995020312021 in words is "seventy-five trillion, nine hundred ninety-five billion, twenty million, three hundred twelve thousand, twenty-one".