155125413405 has 24 divisors (see below), whose sum is σ = 273441411360. Its totient is φ = 81331288800.

The previous prime is 155125413353. The next prime is 155125413409. The reversal of 155125413405 is 504314521551.

155125413405 is a `hidden beast` number, since 1 + 5 + 512 + 5 + 4 + 134 + 0 + 5 = 666.

155125413405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 155125413405 - 2¹³ = 155125405213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155125413405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155125413409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29211171 + ... + 29216480.

It is an arithmetic number, because the mean of its divisors is an integer number (11393392140).

Almost surely, 2^155125413405 is an apocalyptic number.

155125413405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155125413405 is a deficient number, since it is larger than the sum of its proper divisors (118315997955).

155125413405 is a wasteful number, since it uses less digits than its factorization.

155125413405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58427721 (or 58427718 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

Adding to 155125413405 its reverse (504314521551), we get a palindrome (659439934956).

The spelling of 155125413405 in words is "one hundred fifty-five billion, one hundred twenty-five million, four hundred thirteen thousand, four hundred five".