1055111202001 has 24 divisors (see below), whose sum is σ = 1159146301824. Its totient is φ = 958008712320.

The previous prime is 1055111201993. The next prime is 1055111202007. The reversal of 1055111202001 is 1002021115501.

1055111202001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1055111202001 - 2³ = 1055111201993 is a prime.

It is a super-2 number, since 2×1055111202001² (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 1055111202001.

It is not an unprimeable number, because it can be changed into a prime (1055111202007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 882316 + ... + 1699618.

It is an arithmetic number, because the mean of its divisors is an integer number (48297762576).

Almost surely, 2^{1055111202001} is an apocalyptic number.

It is an amenable number.

1055111202001 is a deficient number, since it is larger than the sum of its proper divisors (104035099823).

1055111202001 is an equidigital number, since it uses as much as digits as its factorization.

1055111202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817441 (or 817404 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 19.

Adding to 1055111202001 its reverse (1002021115501), we get a palindrome (2057132317502).

The spelling of 1055111202001 in words is "one trillion, fifty-five billion, one hundred eleven million, two hundred two thousand, one".