157725280020071 has 2 divisors, whose sum is σ = 157725280020072. Its totient is φ = 157725280020070.

The previous prime is 157725280019929. The next prime is 157725280020089. The reversal of 157725280020071 is 170020082527751.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157725280020071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157725280019998 and 157725280020025.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157725280022071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78862640010035 + 78862640010036.

It is an arithmetic number, because the mean of its divisors is an integer number (78862640010036).

Almost surely, 2^{157725280020071} is an apocalyptic number.

157725280020071 is a deficient number, since it is larger than the sum of its proper divisors (1).

157725280020071 is an equidigital number, since it uses as much as digits as its factorization.

157725280020071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 548800, while the sum is 47.

The spelling of 157725280020071 in words is "one hundred fifty-seven trillion, seven hundred twenty-five billion, two hundred eighty million, twenty thousand, seventy-one".