155512043430 has 32 divisors (see below), whose sum is σ = 385268548608. Its totient is φ = 40132140000.

The previous prime is 155512043417. The next prime is 155512043527. The reversal of 155512043430 is 34340215551.

155512043430 is digitally balanced in base 7, 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 = 155512043391 and 155512043400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83607696 + ... + 83609555.

It is an arithmetic number, because the mean of its divisors is an integer number (12039642144).

Almost surely, 2^155512043430 is an apocalyptic number.

155512043430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155512043430 is an abundant number, since it is smaller than the sum of its proper divisors (229756505178).

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

155512043430 is a wasteful number, since it uses less digits than its factorization.

155512043430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167217292.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 155512043430 its reverse (34340215551), we get a palindrome (189852258981).

The spelling of 155512043430 in words is "one hundred fifty-five billion, five hundred twelve million, forty-three thousand, four hundred thirty".