155010100216550 has 48 divisors (see below), whose sum is σ = 294470333174592. Its totient is φ = 60681280070400.

The previous prime is 155010100216511. The next prime is 155010100216579. The reversal of 155010100216550 is 55612001010551.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38731370 + ... + 42545730.

It is an arithmetic number, because the mean of its divisors is an integer number (6134798607804).

Almost surely, 2^{155010100216550} is an apocalyptic number.

155010100216550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155010100216550 is a deficient number, since it is larger than the sum of its proper divisors (139460232958042).

155010100216550 is a wasteful number, since it uses less digits than its factorization.

155010100216550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3831713 (or 3831708 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 32.

The spelling of 155010100216550 in words is "one hundred fifty-five trillion, ten billion, one hundred million, two hundred sixteen thousand, five hundred fifty".