155411540442406 has 8 divisors (see below), whose sum is σ = 233117363565720. Its totient is φ = 77705752587168.

The previous prime is 155411540442343. The next prime is 155411540442409. The reversal of 155411540442406 is 604244045114551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155411540442409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12764305 + ... + 21765811.

It is an arithmetic number, because the mean of its divisors is an integer number (29139670445715).

Almost surely, 2^{155411540442406} is an apocalyptic number.

155411540442406 is a deficient number, since it is larger than the sum of its proper divisors (77705823123314).

155411540442406 is an equidigital number, since it uses as much as digits as its factorization.

155411540442406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17634038.

The product of its (nonzero) digits is 1536000, while the sum is 46.

Adding to 155411540442406 its reverse (604244045114551), we get a palindrome (759655585556957).

The spelling of 155411540442406 in words is "one hundred fifty-five trillion, four hundred eleven billion, five hundred forty million, four hundred forty-two thousand, four hundred six".