101105500550 has 24 divisors (see below), whose sum is σ = 188098012296. Its totient is φ = 40433215040.

The previous prime is 101105500537. The next prime is 101105500583. The reversal of 101105500550 is 55005501101.

It is a happy number.

It is a Curzon number.

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, 4994 + ... + 449706.

It is an arithmetic number, because the mean of its divisors is an integer number (7837417179).

Almost surely, 2^101105500550 is an apocalyptic number.

101105500550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101105500550 is a deficient number, since it is larger than the sum of its proper divisors (86992511746).

101105500550 is a wasteful number, since it uses less digits than its factorization.

101105500550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449272 (or 449267 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 23.

The spelling of 101105500550 in words is "one hundred one billion, one hundred five million, five hundred thousand, five hundred fifty".