155441403405 has 192 divisors, whose sum is σ = 310249336320. Its totient is φ = 73574148096.

The previous prime is 155441403373. The next prime is 155441403427. The reversal of 155441403405 is 504304144551.

It is not a de Polignac number, because 155441403405 - 2⁵ = 155441403373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155441403405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 309028384 + ... + 309028886.

It is an arithmetic number, because the mean of its divisors is an integer number (1615881960).

Almost surely, 2^155441403405 is an apocalyptic number.

155441403405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155441403405 is a deficient number, since it is larger than the sum of its proper divisors (154807932915).

155441403405 is a wasteful number, since it uses less digits than its factorization.

155441403405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945 (or 920 counting only the distinct ones).

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

Adding to 155441403405 its reverse (504304144551), we get a palindrome (659745547956).

The spelling of 155441403405 in words is "one hundred fifty-five billion, four hundred forty-one million, four hundred three thousand, four hundred five".