155042445604125 has 32 divisors (see below), whose sum is σ = 257992075051776. Its totient is φ = 82688841000000.

The previous prime is 155042445604117. The next prime is 155042445604127. The reversal of 155042445604125 is 521406544240551.

It is not a de Polignac number, because 155042445604125 - 2³ = 155042445604117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155042445604127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72012000 + ... + 74133750.

It is an arithmetic number, because the mean of its divisors is an integer number (8062252345368).

Almost surely, 2^{155042445604125} is an apocalyptic number.

155042445604125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155042445604125 is a deficient number, since it is larger than the sum of its proper divisors (102949629447651).

155042445604125 is a wasteful number, since it uses less digits than its factorization.

155042445604125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316630 (or 2316620 counting only the distinct ones).

The product of its (nonzero) digits is 3840000, while the sum is 48.

Adding to 155042445604125 its reverse (521406544240551), we get a palindrome (676448989844676).

The spelling of 155042445604125 in words is "one hundred fifty-five trillion, forty-two billion, four hundred forty-five million, six hundred four thousand, one hundred twenty-five".