155133325215404 has 24 divisors (see below), whose sum is σ = 275399730587520. Its totient is φ = 76453186553216.

The previous prime is 155133325215353. The next prime is 155133325215409. The reversal of 155133325215404 is 404512523331551.

155133325215404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (155133325215409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687218012 + ... + 687443715.

It is an arithmetic number, because the mean of its divisors is an integer number (11474988774480).

Almost surely, 2^{155133325215404} is an apocalyptic number.

It is an amenable number.

155133325215404 is a deficient number, since it is larger than the sum of its proper divisors (120266405372116).

155133325215404 is a wasteful number, since it uses less digits than its factorization.

155133325215404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374662137 (or 1374662135 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 44.

Adding to 155133325215404 its reverse (404512523331551), we get a palindrome (559645848546955).

The spelling of 155133325215404 in words is "one hundred fifty-five trillion, one hundred thirty-three billion, three hundred twenty-five million, two hundred fifteen thousand, four hundred four".