157957173601 has 2 divisors, whose sum is σ = 157957173602. Its totient is φ = 157957173600.

The previous prime is 157957173589. The next prime is 157957173611. The reversal of 157957173601 is 106371759751.

It is a happy number.

157957173601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157493891025 + 463282576 = 396855^2 + 21524^2 .

It is an emirp because it is prime and its reverse (106371759751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157957173601 - 2¹³ = 157957165409 is a prime.

It is not a weakly prime, because it can be changed into another prime (157957173611) by changing a digit.

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 as a sum of consecutive naturals, namely, 78978586800 + 78978586801.

It is an arithmetic number, because the mean of its divisors is an integer number (78978586801).

Almost surely, 2^157957173601 is an apocalyptic number.

It is an amenable number.

157957173601 is a deficient number, since it is larger than the sum of its proper divisors (1).

157957173601 is an equidigital number, since it uses as much as digits as its factorization.

157957173601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1389150, while the sum is 52.

The spelling of 157957173601 in words is "one hundred fifty-seven billion, nine hundred fifty-seven million, one hundred seventy-three thousand, six hundred one".