1010555105550 has 96 divisors (see below), whose sum is σ = 2583701632512. Its totient is φ = 261200753280.

The previous prime is 1010555105503. The next prime is 1010555105563. The reversal of 1010555105550 is 555015550101.

1010555105550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 47 ways as a sum of consecutive naturals, for example, 1113487 + ... + 1805813.

It is an arithmetic number, because the mean of its divisors is an integer number (26913558672).

Almost surely, 2^{1010555105550} is an apocalyptic number.

1010555105550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1010555105550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1291850816256).

1010555105550 is an abundant number, since it is smaller than the sum of its proper divisors (1573146526962).

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

1010555105550 is a wasteful number, since it uses less digits than its factorization.

1010555105550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692642 (or 692637 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 33.

The spelling of 1010555105550 in words is "one trillion, ten billion, five hundred fifty-five million, one hundred five thousand, five hundred fifty".