1011150055011 has 4 divisors (see below), whose sum is σ = 1348200073352. Its totient is φ = 674100036672.

The previous prime is 1011150054961. The next prime is 1011150055067. The reversal of 1011150055011 is 1105500511101.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1011150055011 - 2⁷ = 1011150054883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011150055511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168525009166 + ... + 168525009171.

It is an arithmetic number, because the mean of its divisors is an integer number (337050018338).

Almost surely, 2^{1011150055011} is an apocalyptic number.

1011150055011 is a deficient number, since it is larger than the sum of its proper divisors (337050018341).

1011150055011 is an equidigital number, since it uses as much as digits as its factorization.

1011150055011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337050018340.

The product of its (nonzero) digits is 125, while the sum is 21.

Adding to 1011150055011 its reverse (1105500511101), we get a palindrome (2116650566112).

The spelling of 1011150055011 in words is "one trillion, eleven billion, one hundred fifty million, fifty-five thousand, eleven".