1001051105055 has 16 divisors (see below), whose sum is σ = 1601719156224. Its totient is φ = 533881460000.

The previous prime is 1001051105039. The next prime is 1001051105071. The reversal of 1001051105055 is 5505011501001.

It is an interprime number because it is at equal distance from previous prime (1001051105039) and next prime (1001051105071).

It is not a de Polignac number, because 1001051105055 - 2⁴ = 1001051105039 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95571 + ... + 1418180.

It is an arithmetic number, because the mean of its divisors is an integer number (100107447264).

Almost surely, 2^{1001051105055} is an apocalyptic number.

1001051105055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1001051105055 is a deficient number, since it is larger than the sum of its proper divisors (600668051169).

1001051105055 is a wasteful number, since it uses less digits than its factorization.

1001051105055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557846.

The product of its (nonzero) digits is 625, while the sum is 24.

Adding to 1001051105055 its reverse (5505011501001), we get a palindrome (6506062606056).

The spelling of 1001051105055 in words is "one trillion, one billion, fifty-one million, one hundred five thousand, fifty-five".