157515338273 has 2 divisors, whose sum is σ = 157515338274. Its totient is φ = 157515338272.

The previous prime is 157515338219. The next prime is 157515338291. The reversal of 157515338273 is 372833515751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156489865744 + 1025472529 = 395588^2 + 32023^2 .

It is a cyclic number.

It is not a de Polignac number, because 157515338273 - 2⁸ = 157515338017 is a prime.

It is a super-4 number, since 4×157515338273⁴ (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (157515338203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78757669136 + 78757669137.

It is an arithmetic number, because the mean of its divisors is an integer number (78757669137).

Almost surely, 2^157515338273 is an apocalyptic number.

It is an amenable number.

157515338273 is a deficient number, since it is larger than the sum of its proper divisors (1).

157515338273 is an equidigital number, since it uses as much as digits as its factorization.

157515338273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2646000, while the sum is 50.

The spelling of 157515338273 in words is "one hundred fifty-seven billion, five hundred fifteen million, three hundred thirty-eight thousand, two hundred seventy-three".