155426121624552 has 32 divisors (see below), whose sum is σ = 388566698443200. Its totient is φ = 51808521290624.

The previous prime is 155426121624539. The next prime is 155426121624647. The reversal of 155426121624552 is 255426121624551.

It is a junction number, because it is equal to n+sod(n) for n = 155426121624495 and 155426121624504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4708668 + ... + 18248939.

It is an arithmetic number, because the mean of its divisors is an integer number (12142709326350).

Almost surely, 2^{155426121624552} is an apocalyptic number.

155426121624552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155426121624552 is an abundant number, since it is smaller than the sum of its proper divisors (233140576818648).

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

155426121624552 is a wasteful number, since it uses less digits than its factorization.

155426121624552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23239705 (or 23239701 counting only the distinct ones).

The product of its digits is 5760000, while the sum is 51.

Subtracting 155426121624552 from its reverse (255426121624551), we obtain a palindrome (99999999999999).

The spelling of 155426121624552 in words is "one hundred fifty-five trillion, four hundred twenty-six billion, one hundred twenty-one million, six hundred twenty-four thousand, five hundred fifty-two".