155125243404 has 36 divisors (see below), whose sum is σ = 397085721760. Its totient is φ = 51053876640.

The previous prime is 155125243373. The next prime is 155125243409. The reversal of 155125243404 is 404342521551.

155125243404 is a `hidden beast` number, since 1 + 5 + 5 + 1 + 2 + 5 + 243 + 404 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×155125243404² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (155125243409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27269527 + ... + 27275214.

Almost surely, 2^155125243404 is an apocalyptic number.

It is an amenable number.

155125243404 is an abundant number, since it is smaller than the sum of its proper divisors (241960478356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155125243404 is a wasteful number, since it uses less digits than its factorization.

155125243404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54544830 (or 54544825 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 155125243404 its reverse (404342521551), we get a palindrome (559467764955).

The spelling of 155125243404 in words is "one hundred fifty-five billion, one hundred twenty-five million, two hundred forty-three thousand, four hundred four".