155532141235550 has 48 divisors (see below), whose sum is σ = 290086419106800. Its totient is φ = 62041630560000.

The previous prime is 155532141235547. The next prime is 155532141235651. The reversal of 155532141235550 is 55532141235551.

155532141235550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 155532141235495 and 155532141235504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65313236 + ... + 67652664.

It is an arithmetic number, because the mean of its divisors is an integer number (6043467064725).

Almost surely, 2^{155532141235550} is an apocalyptic number.

155532141235550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155532141235550 is a deficient number, since it is larger than the sum of its proper divisors (134554277871250).

155532141235550 is a wasteful number, since it uses less digits than its factorization.

155532141235550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2343101 (or 2343096 counting only the distinct ones).

The product of its (nonzero) digits is 2250000, while the sum is 47.

Subtracting from 155532141235550 its reverse (55532141235551), we obtain a palindrome (99999999999999).

The spelling of 155532141235550 in words is "one hundred fifty-five trillion, five hundred thirty-two billion, one hundred forty-one million, two hundred thirty-five thousand, five hundred fifty".