15537066348157 has 2 divisors, whose sum is σ = 15537066348158. Its totient is φ = 15537066348156.

The previous prime is 15537066348143. The next prime is 15537066348229. The reversal of 15537066348157 is 75184366073551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15182447289156 + 354619059001 = 3896466^2 + 595499^2 .

It is a cyclic number.

It is not a de Polignac number, because 15537066348157 - 2¹⁵ = 15537066315389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15537066348095 and 15537066348104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15537066348257) 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, 7768533174078 + 7768533174079.

It is an arithmetic number, because the mean of its divisors is an integer number (7768533174079).

Almost surely, 2^{15537066348157} is an apocalyptic number.

It is an amenable number.

15537066348157 is a deficient number, since it is larger than the sum of its proper divisors (1).

15537066348157 is an equidigital number, since it uses as much as digits as its factorization.

15537066348157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504000, while the sum is 61.

The spelling of 15537066348157 in words is "fifteen trillion, five hundred thirty-seven billion, sixty-six million, three hundred forty-eight thousand, one hundred fifty-seven".