355125891671 has 2 divisors, whose sum is σ = 355125891672. Its totient is φ = 355125891670.

The previous prime is 355125891557. The next prime is 355125891709. The reversal of 355125891671 is 176198521553.

It is a strong prime.

It is an emirp because it is prime and its reverse (176198521553) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 355125891671 - 2²⁶ = 355058782807 is a prime.

It is a super-2 number, since 2×355125891671² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355125891971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177562945835 + 177562945836.

It is an arithmetic number, because the mean of its divisors is an integer number (177562945836).

Almost surely, 2^355125891671 is an apocalyptic number.

355125891671 is a deficient number, since it is larger than the sum of its proper divisors (1).

355125891671 is an equidigital number, since it uses as much as digits as its factorization.

355125891671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268000, while the sum is 53.

The spelling of 355125891671 in words is "three hundred fifty-five billion, one hundred twenty-five million, eight hundred ninety-one thousand, six hundred seventy-one".