155000005560 has 48 divisors (see below), whose sum is σ = 503750019240. Its totient is φ = 41333334720.

The previous prime is 155000005547. The next prime is 155000005577. The reversal of 155000005560 is 65500000551.

155000005560 is a `hidden beast` number, since 1 + 550 + 0 + 0 + 0 + 0 + 55 + 60 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 215277426 + ... + 215278145.

Almost surely, 2^155000005560 is an apocalyptic number.

155000005560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155000005560 is an abundant number, since it is smaller than the sum of its proper divisors (348750013680).

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

155000005560 is a wasteful number, since it uses less digits than its factorization.

155000005560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430555588 (or 430555581 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The spelling of 155000005560 in words is "one hundred fifty-five billion, five thousand, five hundred sixty".