75751318157 has 2 divisors, whose sum is σ = 75751318158. Its totient is φ = 75751318156.

The previous prime is 75751318129. The next prime is 75751318199. The reversal of 75751318157 is 75181315757.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37983671236 + 37767646921 = 194894^2 + 194339^2 .

It is a cyclic number.

It is not a de Polignac number, because 75751318157 - 2²⁴ = 75734540941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75751818157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37875659078 + 37875659079.

It is an arithmetic number, because the mean of its divisors is an integer number (37875659079).

Almost surely, 2^75751318157 is an apocalyptic number.

It is an amenable number.

75751318157 is a deficient number, since it is larger than the sum of its proper divisors (1).

75751318157 is an equidigital number, since it uses as much as digits as its factorization.

75751318157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1029000, while the sum is 50.

The spelling of 75751318157 in words is "seventy-five billion, seven hundred fifty-one million, three hundred eighteen thousand, one hundred fifty-seven".