155013433203030 has 64 divisors (see below), whose sum is σ = 384035348606976. Its totient is φ = 40003251120000.

The previous prime is 155013433202993. The next prime is 155013433203043. The reversal of 155013433203030 is 30302334310551.

It is a junction number, because it is equal to n+sod(n) for n = 155013433202982 and 155013433203000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243482520 + ... + 244118340.

It is an arithmetic number, because the mean of its divisors is an integer number (6000552321984).

Almost surely, 2^{155013433203030} is an apocalyptic number.

155013433203030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155013433203030 is an abundant number, since it is smaller than the sum of its proper divisors (229021915403946).

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

155013433203030 is a wasteful number, since it uses less digits than its factorization.

155013433203030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898013.

The product of its (nonzero) digits is 48600, while the sum is 33.

Adding to 155013433203030 its reverse (30302334310551), we get a palindrome (185315767513581).

The spelling of 155013433203030 in words is "one hundred fifty-five trillion, thirteen billion, four hundred thirty-three million, two hundred three thousand, thirty".