155405133041 has 2 divisors, whose sum is σ = 155405133042. Its totient is φ = 155405133040.

The previous prime is 155405133031. The next prime is 155405133067. The reversal of 155405133041 is 140331504551.

155405133041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136113034225 + 19292098816 = 368935^2 + 138896^2 .

It is a cyclic number.

It is not a de Polignac number, because 155405133041 - 2³⁴ = 138225263857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155405132989 and 155405133007.

It is not a weakly prime, because it can be changed into another prime (155405133031) 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, 77702566520 + 77702566521.

It is an arithmetic number, because the mean of its divisors is an integer number (77702566521).

Almost surely, 2^155405133041 is an apocalyptic number.

It is an amenable number.

155405133041 is a deficient number, since it is larger than the sum of its proper divisors (1).

155405133041 is an equidigital number, since it uses as much as digits as its factorization.

155405133041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 155405133041 its reverse (140331504551), we get a palindrome (295736637592).

The spelling of 155405133041 in words is "one hundred fifty-five billion, four hundred five million, one hundred thirty-three thousand, forty-one".