10011050505555 has 16 divisors (see below), whose sum is σ = 17473833609984. Its totient is φ = 4853842669280.

The previous prime is 10011050505553. The next prime is 10011050505581. The reversal of 10011050505555 is 55550505011001.

It is not a de Polignac number, because 10011050505555 - 2¹ = 10011050505553 is a prime.

It is a super-2 number, since 2×10011050505555² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (10011050505553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30336516519 + ... + 30336516848.

It is an arithmetic number, because the mean of its divisors is an integer number (1092114600624).

Almost surely, 2^{10011050505555} is an apocalyptic number.

10011050505555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10011050505555 is a deficient number, since it is larger than the sum of its proper divisors (7462783104429).

10011050505555 is a wasteful number, since it uses less digits than its factorization.

10011050505555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60673033386.

The product of its (nonzero) digits is 15625, while the sum is 33.

Adding to 10011050505555 its reverse (55550505011001), we get a palindrome (65561555516556).

The spelling of 10011050505555 in words is "ten trillion, eleven billion, fifty million, five hundred five thousand, five hundred fifty-five".