155542105455132 has 48 divisors (see below), whose sum is σ = 395927578593792. Its totient is φ = 47133707153280.

The previous prime is 155542105455067. The next prime is 155542105455133. The reversal of 155542105455132 is 231554501245551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155542105455133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21011688 + ... + 27433104.

It is an arithmetic number, because the mean of its divisors is an integer number (8248491220704).

Almost surely, 2^{155542105455132} is an apocalyptic number.

155542105455132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155542105455132 is an abundant number, since it is smaller than the sum of its proper divisors (240385473138660).

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

155542105455132 is a wasteful number, since it uses less digits than its factorization.

155542105455132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6604938 (or 6604936 counting only the distinct ones).

The product of its (nonzero) digits is 3000000, while the sum is 48.

The spelling of 155542105455132 in words is "one hundred fifty-five trillion, five hundred forty-two billion, one hundred five million, four hundred fifty-five thousand, one hundred thirty-two".