1110055561000 has 32 divisors (see below), whose sum is σ = 2597530015080. Its totient is φ = 444022224000.

The previous prime is 1110055560983. The next prime is 1110055561007. The reversal of 1110055561000 is 1655500111.

It can be written as a sum of positive squares in 4 ways, for example, as 668492652996 + 441562908004 = 817614^2 + 664502^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1110055561007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555026781 + ... + 555028780.

Almost surely, 2^{1110055561000} is an apocalyptic number.

1110055561000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1110055561000 is an abundant number, since it is smaller than the sum of its proper divisors (1487474454080).

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

1110055561000 is a wasteful number, since it uses less digits than its factorization.

1110055561000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110055582 (or 1110055568 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 25.

The spelling of 1110055561000 in words is "one trillion, one hundred ten billion, fifty-five million, five hundred sixty-one thousand".