1055555555050 has 24 divisors (see below), whose sum is σ = 1965260152800. Its totient is φ = 421807852080.

The previous prime is 1055555555011. The next prime is 1055555555053. The reversal of 1055555555050 is 505555555501.

It is a happy number.

1055555555050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1055555555050² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055555555053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10307790 + ... + 10409689.

It is an arithmetic number, because the mean of its divisors is an integer number (81885839700).

Almost surely, 2^{1055555555050} is an apocalyptic number.

1055555555050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1055555555050 is a deficient number, since it is larger than the sum of its proper divisors (909704597750).

1055555555050 is a wasteful number, since it uses less digits than its factorization.

1055555555050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20718510 (or 20718505 counting only the distinct ones).

The product of its (nonzero) digits is 1953125, while the sum is 46.

The spelling of 1055555555050 in words is "one trillion, fifty-five billion, five hundred fifty-five million, five hundred fifty-five thousand, fifty".