1055561000501 has 8 divisors (see below), whose sum is σ = 1206779776704. Its totient is φ = 904448311200.

The previous prime is 1055561000387. The next prime is 1055561000521. The reversal of 1055561000501 is 1050001655501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1055561000501 - 2¹⁸ = 1055560738357 is a prime.

It is a super-2 number, since 2×1055561000501² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055561000521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26500400 + ... + 26540201.

It is an arithmetic number, because the mean of its divisors is an integer number (150847472088).

Almost surely, 2^{1055561000501} is an apocalyptic number.

It is an amenable number.

1055561000501 is a deficient number, since it is larger than the sum of its proper divisors (151218776203).

1055561000501 is an equidigital number, since it uses as much as digits as its factorization.

1055561000501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53043451.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 1055561000501 in words is "one trillion, fifty-five billion, five hundred sixty-one million, five hundred one", and thus it is an aban number.