1355160181 has 2 divisors, whose sum is σ = 1355160182. Its totient is φ = 1355160180.

The previous prime is 1355160143. The next prime is 1355160197. The reversal of 1355160181 is 1810615531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 761263281 + 593896900 = 27591^2 + 24370^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1355160181 is a prime.

It is a super-2 number, since 2×1355160181² = 3672918232335905522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1355160481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677580090 + 677580091.

It is an arithmetic number, because the mean of its divisors is an integer number (677580091).

Almost surely, 2^1355160181 is an apocalyptic number.

It is an amenable number.

1355160181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355160181 is an equidigital number, since it uses as much as digits as its factorization.

1355160181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 31.

The square root of 1355160181 is about 36812.5003361630. The cubic root of 1355160181 is about 1106.6158273185.

The spelling of 1355160181 in words is "one billion, three hundred fifty-five million, one hundred sixty thousand, one hundred eighty-one".