75345122154357 has 16 divisors (see below), whose sum is σ = 121769894391360. Its totient is φ = 45663710396400.

The previous prime is 75345122154349. The next prime is 75345122154383.

75345122154357 is a `hidden beast` number, since 7 + 5 + 3 + 4 + 512 + 21 + 54 + 3 + 57 = 666.

75345122154357 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 75345122154357 - 2³ = 75345122154349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75345122154397) 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, 126843639694 + ... + 126843640287.

It is an arithmetic number, because the mean of its divisors is an integer number (7610618399460).

Almost surely, 2^{75345122154357} is an apocalyptic number.

It is an amenable number.

75345122154357 is a deficient number, since it is larger than the sum of its proper divisors (46424772237003).

75345122154357 is a wasteful number, since it uses less digits than its factorization.

75345122154357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253687280001 (or 253687279995 counting only the distinct ones).

The product of its digits is 17640000, while the sum is 54.

It can be divided in two parts, 7534512 and 2154357, that added together give a palindrome (9688869).

The spelling of 75345122154357 in words is "seventy-five trillion, three hundred forty-five billion, one hundred twenty-two million, one hundred fifty-four thousand, three hundred fifty-seven".