1011055611005 has 8 divisors (see below), whose sum is σ = 1323563709024. Its totient is φ = 735313171600.

The previous prime is 1011055611001. The next prime is 1011055611011. The reversal of 1011055611005 is 5001165501101.

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

It is not a de Polignac number, because 1011055611005 - 2² = 1011055611001 is a prime.

It is a super-2 number, since 2×1011055611005² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011055611001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9191414591 + ... + 9191414700.

It is an arithmetic number, because the mean of its divisors is an integer number (165445463628).

Almost surely, 2^{1011055611005} is an apocalyptic number.

It is an amenable number.

1011055611005 is a deficient number, since it is larger than the sum of its proper divisors (312508098019).

1011055611005 is a wasteful number, since it uses less digits than its factorization.

1011055611005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18382829307.

The product of its (nonzero) digits is 750, while the sum is 26.

The spelling of 1011055611005 in words is "one trillion, eleven billion, fifty-five million, six hundred eleven thousand, five".