155000650550 has 12 divisors (see below), whose sum is σ = 288301210116. Its totient is φ = 62000260200.

The previous prime is 155000650543. The next prime is 155000650561. The reversal of 155000650550 is 55056000551.

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 5 ways as a sum of consecutive naturals, for example, 1550006456 + ... + 1550006555.

It is an arithmetic number, because the mean of its divisors is an integer number (24025100843).

Almost surely, 2^155000650550 is an apocalyptic number.

155000650550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155000650550 is a deficient number, since it is larger than the sum of its proper divisors (133300559566).

155000650550 is a wasteful number, since it uses less digits than its factorization.

155000650550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3100013023 (or 3100013018 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 32.

The spelling of 155000650550 in words is "one hundred fifty-five billion, six hundred fifty thousand, five hundred fifty".