155230717024 has 12 divisors (see below), whose sum is σ = 305610474204. Its totient is φ = 77615358496.

The previous prime is 155230717021. The next prime is 155230717039. The reversal of 155230717024 is 420717032551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155230717021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2425479922 + ... + 2425479985.

It is an arithmetic number, because the mean of its divisors is an integer number (25467539517).

Almost surely, 2^155230717024 is an apocalyptic number.

It is an amenable number.

155230717024 is a deficient number, since it is larger than the sum of its proper divisors (150379757180).

155230717024 is an equidigital number, since it uses as much as digits as its factorization.

155230717024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4850959917 (or 4850959909 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 37.

Adding to 155230717024 its reverse (420717032551), we get a palindrome (575947749575).

The spelling of 155230717024 in words is "one hundred fifty-five billion, two hundred thirty million, seven hundred seventeen thousand, twenty-four".