75157126714021 has 16 divisors (see below), whose sum is σ = 82637987862528. Its totient is φ = 67784367974400.

The previous prime is 75157126713983. The next prime is 75157126714097. The reversal of 75157126714021 is 12041762175157.

It is not a de Polignac number, because 75157126714021 - 2¹¹ = 75157126711973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75157123714021) 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, 40900621 + ... + 42698653.

It is an arithmetic number, because the mean of its divisors is an integer number (5164874241408).

Almost surely, 2^{75157126714021} is an apocalyptic number.

It is an amenable number.

75157126714021 is a deficient number, since it is larger than the sum of its proper divisors (7480861148507).

75157126714021 is a wasteful number, since it uses less digits than its factorization.

75157126714021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828092.

The product of its (nonzero) digits is 823200, while the sum is 49.

Adding to 75157126714021 its reverse (12041762175157), we get a palindrome (87198888889178).

The spelling of 75157126714021 in words is "seventy-five trillion, one hundred fifty-seven billion, one hundred twenty-six million, seven hundred fourteen thousand, twenty-one".