1016555560500 has 48 divisors (see below), whose sum is σ = 2960209796544. Its totient is φ = 271081482400.

The previous prime is 1016555560469. The next prime is 1016555560507. The reversal of 1016555560500 is 50655556101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016555560507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338850354 + ... + 338853353.

It is an arithmetic number, because the mean of its divisors is an integer number (61671037428).

Almost surely, 2^{1016555560500} is an apocalyptic number.

1016555560500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1016555560500 is an abundant number, since it is smaller than the sum of its proper divisors (1943654236044).

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

1016555560500 is a wasteful number, since it uses less digits than its factorization.

1016555560500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677703729 (or 677703717 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 1016555560500 in words is "one trillion, sixteen billion, five hundred fifty-five million, five hundred sixty thousand, five hundred".