1011000556005 has 64 divisors (see below), whose sum is σ = 1801701135360. Its totient is φ = 479988288000.

The previous prime is 1011000555949. The next prime is 1011000556009. The reversal of 1011000556005 is 5006550001101.

It is not a de Polignac number, because 1011000556005 - 2¹⁴ = 1011000539621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011000556009) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1372330 + ... + 1976180.

It is an arithmetic number, because the mean of its divisors is an integer number (28151580240).

Almost surely, 2^{1011000556005} is an apocalyptic number.

1011000556005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1011000556005 is a deficient number, since it is larger than the sum of its proper divisors (790700579355).

1011000556005 is a wasteful number, since it uses less digits than its factorization.

1011000556005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604082.

The product of its (nonzero) digits is 750, while the sum is 24.

Adding to 1011000556005 its reverse (5006550001101), we get a palindrome (6017550557106).

The spelling of 1011000556005 in words is "one trillion, eleven billion, five hundred fifty-six thousand, five".