1010005555550 has 48 divisors (see below), whose sum is σ = 1917370613760. Its totient is φ = 395747220960.

The previous prime is 1010005555459. The next prime is 1010005555553. The reversal of 1010005555550 is 555555000101.

It is a super-2 number, since 2×1010005555550² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010005555553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 505034 + ... + 1508333.

It is an arithmetic number, because the mean of its divisors is an integer number (39945221120).

Almost surely, 2^{1010005555550} is an apocalyptic number.

1010005555550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1010005555550 is a deficient number, since it is larger than the sum of its proper divisors (907365058210).

1010005555550 is a wasteful number, since it uses less digits than its factorization.

1010005555550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013585 (or 2013580 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 32.

The spelling of 1010005555550 in words is "one trillion, ten billion, five million, five hundred fifty-five thousand, five hundred fifty".