155310413421320 has 64 divisors (see below), whose sum is σ = 354681427000320. Its totient is φ = 61193945539584.

The previous prime is 155310413421281. The next prime is 155310413421437. The reversal of 155310413421320 is 23124314013551.

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, 53782169 + ... + 56596311.

It is an arithmetic number, because the mean of its divisors is an integer number (5541897296880).

Almost surely, 2^{155310413421320} is an apocalyptic number.

155310413421320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155310413421320 is an abundant number, since it is smaller than the sum of its proper divisors (199371013579000).

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

155310413421320 is a wasteful number, since it uses less digits than its factorization.

155310413421320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2834814 (or 2834810 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 155310413421320 its reverse (23124314013551), we get a palindrome (178434727434871).

The spelling of 155310413421320 in words is "one hundred fifty-five trillion, three hundred ten billion, four hundred thirteen million, four hundred twenty-one thousand, three hundred twenty".