155063756623 has 2 divisors, whose sum is σ = 155063756624. Its totient is φ = 155063756622.

The previous prime is 155063756591. The next prime is 155063756629. The reversal of 155063756623 is 326657360551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155063756623 - 2⁵ = 155063756591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155063756629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77531878311 + 77531878312.

It is an arithmetic number, because the mean of its divisors is an integer number (77531878312).

Almost surely, 2^155063756623 is an apocalyptic number.

155063756623 is a deficient number, since it is larger than the sum of its proper divisors (1).

155063756623 is an equidigital number, since it uses as much as digits as its factorization.

155063756623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402000, while the sum is 49.

The spelling of 155063756623 in words is "one hundred fifty-five billion, sixty-three million, seven hundred fifty-six thousand, six hundred twenty-three".