155523355541003 has 2 divisors, whose sum is σ = 155523355541004. Its totient is φ = 155523355541002.

The previous prime is 155523355540997. The next prime is 155523355541033. The reversal of 155523355541003 is 300145553325551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 155523355541003 - 2¹² = 155523355536907 is a prime.

It is a super-3 number, since 3×155523355541003³ (a number of 44 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (155523355541033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77761677770501 + 77761677770502.

It is an arithmetic number, because the mean of its divisors is an integer number (77761677770502).

Almost surely, 2^{155523355541003} is an apocalyptic number.

155523355541003 is a deficient number, since it is larger than the sum of its proper divisors (1).

155523355541003 is an equidigital number, since it uses as much as digits as its factorization.

155523355541003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3375000, while the sum is 47.

The spelling of 155523355541003 in words is "one hundred fifty-five trillion, five hundred twenty-three billion, three hundred fifty-five million, five hundred forty-one thousand, three".