1000557832801 has 4 divisors (see below), whose sum is σ = 1000564237504. Its totient is φ = 1000551428100.

The previous prime is 1000557832783. The next prime is 1000557832877. The reversal of 1000557832801 is 1082387550001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1000557832801 - 2²¹ = 1000555735649 is a prime.

It is a super-2 number, since 2×1000557832801² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000557832601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2962005 + ... + 3282466.

It is an arithmetic number, because the mean of its divisors is an integer number (250141059376).

Almost surely, 2^{1000557832801} is an apocalyptic number.

It is an amenable number.

1000557832801 is a deficient number, since it is larger than the sum of its proper divisors (6404703).

1000557832801 is an equidigital number, since it uses as much as digits as its factorization.

1000557832801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6404702.

The product of its (nonzero) digits is 67200, while the sum is 40.

The spelling of 1000557832801 in words is "one trillion, five hundred fifty-seven million, eight hundred thirty-two thousand, eight hundred one".