155402425041044 has 12 divisors (see below), whose sum is σ = 275679644422644. Its totient is φ = 76636812348864.

The previous prime is 155402425041001. The next prime is 155402425041053. The reversal of 155402425041044 is 440140524204551.

It can be written as a sum of positive squares in 2 ways, for example, as 134811141072400 + 20591283968644 = 11610820^2 + 4537762^2 .

It is a junction number, because it is equal to n+sod(n) for n = 155402425040992 and 155402425041010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266100042587 + ... + 266100043170.

It is an arithmetic number, because the mean of its divisors is an integer number (22973303701887).

Almost surely, 2^{155402425041044} is an apocalyptic number.

It is an amenable number.

155402425041044 is a deficient number, since it is larger than the sum of its proper divisors (120277219381600).

155402425041044 is a wasteful number, since it uses less digits than its factorization.

155402425041044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532200085834 (or 532200085832 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 41.

Adding to 155402425041044 its reverse (440140524204551), we get a palindrome (595542949245595).

The spelling of 155402425041044 in words is "one hundred fifty-five trillion, four hundred two billion, four hundred twenty-five million, forty-one thousand, forty-four".