155505472481700 has 216 divisors, whose sum is σ = 538465288932480. Its totient is φ = 37221102547200.

The previous prime is 155505472481687. The next prime is 155505472481731. The reversal of 155505472481700 is 7184274505551.

155505472481700 is a `hidden beast` number, since 1 + 5 + 5 + 5 + 0 + 547 + 24 + 8 + 1 + 70 + 0 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 98633239 + ... + 100197438.

Almost surely, 2^{155505472481700} is an apocalyptic number.

155505472481700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155505472481700 is an abundant number, since it is smaller than the sum of its proper divisors (382959816450780).

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

155505472481700 is a wasteful number, since it uses less digits than its factorization.

155505472481700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198830787 (or 198830777 counting only the distinct ones).

The product of its (nonzero) digits is 7840000, while the sum is 54.

The spelling of 155505472481700 in words is "one hundred fifty-five trillion, five hundred five billion, four hundred seventy-two million, four hundred eighty-one thousand, seven hundred".