155254205320 has 64 divisors (see below), whose sum is σ = 364567547520. Its totient is φ = 59392210944.

The previous prime is 155254205303. The next prime is 155254205333. The reversal of 155254205320 is 23502452551.

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, 9442947 + ... + 9459373.

It is an arithmetic number, because the mean of its divisors is an integer number (5696367930).

Almost surely, 2^155254205320 is an apocalyptic number.

155254205320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155254205320 is an abundant number, since it is smaller than the sum of its proper divisors (209313342200).

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

155254205320 is a wasteful number, since it uses less digits than its factorization.

155254205320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26734 (or 26730 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

Adding to 155254205320 its reverse (23502452551), we get a palindrome (178756657871).

The spelling of 155254205320 in words is "one hundred fifty-five billion, two hundred fifty-four million, two hundred five thousand, three hundred twenty".