155122001404 has 24 divisors (see below), whose sum is σ = 290661527520. Its totient is φ = 72178377216.

The previous prime is 155122001393. The next prime is 155122001413. The reversal of 155122001404 is 404100221551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12809712 + ... + 12821815.

It is an arithmetic number, because the mean of its divisors is an integer number (12110896980).

Almost surely, 2^155122001404 is an apocalyptic number.

It is an amenable number.

155122001404 is a deficient number, since it is larger than the sum of its proper divisors (135539526116).

155122001404 is a wasteful number, since it uses less digits than its factorization.

155122001404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25631637 (or 25631635 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 155122001404 its reverse (404100221551), we get a palindrome (559222222955).

The spelling of 155122001404 in words is "one hundred fifty-five billion, one hundred twenty-two million, one thousand, four hundred four".