1055561000700 has 108 divisors (see below), whose sum is σ = 3104980929960. Its totient is φ = 276868166400.

The previous prime is 1055561000687. The next prime is 1055561000723. The reversal of 1055561000700 is 70001655501.

It is a super-2 number, since 2×1055561000700² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 643506 + ... + 1589094.

Almost surely, 2^{1055561000700} is an apocalyptic number.

1055561000700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1055561000700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1552490464980).

1055561000700 is an abundant number, since it is smaller than the sum of its proper divisors (2049419929260).

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

1055561000700 is a wasteful number, since it uses less digits than its factorization.

1055561000700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945728 (or 945660 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 30.

The spelling of 1055561000700 in words is "one trillion, fifty-five billion, five hundred sixty-one million, seven hundred", and thus it is an aban number.