1055011123331 has 8 divisors (see below), whose sum is σ = 1218622474224. Its totient is φ = 902683313920.

The previous prime is 1055011123307. The next prime is 1055011123391. The reversal of 1055011123331 is 1333211105501.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1055011123331 is a prime.

It is a super-2 number, since 2×1055011123331² (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 1055011123331.

It is not an unprimeable number, because it can be changed into a prime (1055011123391) by changing a digit.

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, 2820885170 + ... + 2820885543.

It is an arithmetic number, because the mean of its divisors is an integer number (152327809278).

Almost surely, 2^{1055011123331} is an apocalyptic number.

1055011123331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1055011123331 is a deficient number, since it is larger than the sum of its proper divisors (163611350893).

1055011123331 is a wasteful number, since it uses less digits than its factorization.

1055011123331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5641770741.

The product of its (nonzero) digits is 1350, while the sum is 26.

Adding to 1055011123331 its reverse (1333211105501), we get a palindrome (2388222228832).

The spelling of 1055011123331 in words is "one trillion, fifty-five billion, eleven million, one hundred twenty-three thousand, three hundred thirty-one".