155431455104 has 32 divisors (see below), whose sum is σ = 314009868240. Its totient is φ = 76621135360.

The previous prime is 155431455097. The next prime is 155431455133. The reversal of 155431455104 is 401554134551.

155431455104 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8542379 + ... + 8560554.

Almost surely, 2^155431455104 is an apocalyptic number.

It is an amenable number.

155431455104 is an abundant number, since it is smaller than the sum of its proper divisors (158578413136).

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

155431455104 is an equidigital number, since it uses as much as digits as its factorization.

155431455104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17103018 (or 17103006 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 38.

Adding to 155431455104 its reverse (401554134551), we get a palindrome (556985589655).

The spelling of 155431455104 in words is "one hundred fifty-five billion, four hundred thirty-one million, four hundred fifty-five thousand, one hundred four".