155656504213325 has 48 divisors (see below), whose sum is σ = 216238670017920. Its totient is φ = 110456465080320.

The previous prime is 155656504213307. The next prime is 155656504213369. The reversal of 155656504213325 is 523312405656551.

It is not a de Polignac number, because 155656504213325 - 2⁶ = 155656504213261 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48380249 + ... + 51497198.

It is an arithmetic number, because the mean of its divisors is an integer number (4504972292040).

Almost surely, 2^{155656504213325} is an apocalyptic number.

It is an amenable number.

155656504213325 is a deficient number, since it is larger than the sum of its proper divisors (60582165804595).

155656504213325 is a wasteful number, since it uses less digits than its factorization.

155656504213325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99877686 (or 99877681 counting only the distinct ones).

The product of its (nonzero) digits is 16200000, while the sum is 53.

Adding to 155656504213325 its reverse (523312405656551), we get a palindrome (678968909869876).

The spelling of 155656504213325 in words is "one hundred fifty-five trillion, six hundred fifty-six billion, five hundred four million, two hundred thirteen thousand, three hundred twenty-five".