157158729701 has 2 divisors, whose sum is σ = 157158729702. Its totient is φ = 157158729700.

The previous prime is 157158729667. The next prime is 157158729779. The reversal of 157158729701 is 107927851751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111672930625 + 45485799076 = 334175^2 + 213274^2 .

It is an emirp because it is prime and its reverse (107927851751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157158729701 - 2³⁴ = 139978860517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157158726701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78579364850 + 78579364851.

It is an arithmetic number, because the mean of its divisors is an integer number (78579364851).

Almost surely, 2^157158729701 is an apocalyptic number.

It is an amenable number.

157158729701 is a deficient number, since it is larger than the sum of its proper divisors (1).

157158729701 is an equidigital number, since it uses as much as digits as its factorization.

157158729701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1234800, while the sum is 53.

The spelling of 157158729701 in words is "one hundred fifty-seven billion, one hundred fifty-eight million, seven hundred twenty-nine thousand, seven hundred one".