1001055599953 has 4 divisors (see below), whose sum is σ = 1018022644080. Its totient is φ = 984088555828.

The previous prime is 1001055599939. The next prime is 1001055599987. The reversal of 1001055599953 is 3599955501001.

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 1001055599953 - 2¹³ = 1001055591761 is a prime.

It is a super-2 number, since 2×1001055599953² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1001055599953.

It is not an unprimeable number, because it can be changed into a prime (1001055599923) 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, 8483521975 + ... + 8483522092.

It is an arithmetic number, because the mean of its divisors is an integer number (254505661020).

Almost surely, 2^{1001055599953} is an apocalyptic number.

It is an amenable number.

1001055599953 is a deficient number, since it is larger than the sum of its proper divisors (16967044127).

1001055599953 is an equidigital number, since it uses as much as digits as its factorization.

1001055599953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16967044126.

The product of its (nonzero) digits is 1366875, while the sum is 52.

The spelling of 1001055599953 in words is "one trillion, one billion, fifty-five million, five hundred ninety-nine thousand, nine hundred fifty-three".