1011000001055 has 16 divisors (see below), whose sum is σ = 1381033995264. Its totient is φ = 703304347680.

The previous prime is 1011000001021. The next prime is 1011000001127. The reversal of 1011000001055 is 5501000001101.

It is not a de Polignac number, because 1011000001055 - 2⁸ = 1011000000799 is a prime.

It is a super-2 number, since 2×1011000001055² (a number of 25 digits) contains 22 as substring.

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, 399603479 + ... + 399606008.

It is an arithmetic number, because the mean of its divisors is an integer number (86314624704).

Almost surely, 2^{1011000001055} is an apocalyptic number.

1011000001055 is a deficient number, since it is larger than the sum of its proper divisors (370033994209).

1011000001055 is a wasteful number, since it uses less digits than its factorization.

1011000001055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799209526.

The product of its (nonzero) digits is 25, while the sum is 14.

Adding to 1011000001055 its reverse (5501000001101), we get a palindrome (6512000002156).

The spelling of 1011000001055 in words is "one trillion, eleven billion, one thousand, fifty-five".