1055011111055 has 8 divisors (see below), whose sum is σ = 1381105454544. Its totient is φ = 767280808000.

The previous prime is 1055011110971. The next prime is 1055011111093. The reversal of 1055011111055 is 5501111105501.

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

It is not a de Polignac number, because 1055011111055 - 2⁸ = 1055011110799 is a prime.

It is a super-2 number, since 2×1055011111055² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9591010046 + ... + 9591010155.

It is an arithmetic number, because the mean of its divisors is an integer number (172638181818).

Almost surely, 2^{1055011111055} is an apocalyptic number.

1055011111055 is a deficient number, since it is larger than the sum of its proper divisors (326094343489).

1055011111055 is a wasteful number, since it uses less digits than its factorization.

1055011111055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19182020217.

The product of its (nonzero) digits is 625, while the sum is 26.

Adding to 1055011111055 its reverse (5501111105501), we get a palindrome (6556122216556).

The spelling of 1055011111055 in words is "one trillion, fifty-five billion, eleven million, one hundred eleven thousand, fifty-five".