155259234829 has 2 divisors, whose sum is σ = 155259234830. Its totient is φ = 155259234828.

The previous prime is 155259234827. The next prime is 155259234841. The reversal of 155259234829 is 928432952551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154919385604 + 339849225 = 393598^2 + 18435^2 .

It is a cyclic number.

It is not a de Polignac number, because 155259234829 - 2¹ = 155259234827 is a prime.

Together with 155259234827, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 155259234829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155259234821) 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, 77629617414 + 77629617415.

It is an arithmetic number, because the mean of its divisors is an integer number (77629617415).

Almost surely, 2^155259234829 is an apocalyptic number.

It is an amenable number.

155259234829 is a deficient number, since it is larger than the sum of its proper divisors (1).

155259234829 is an equidigital number, since it uses as much as digits as its factorization.

155259234829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776000, while the sum is 55.

The spelling of 155259234829 in words is "one hundred fifty-five billion, two hundred fifty-nine million, two hundred thirty-four thousand, eight hundred twenty-nine".