11011331019 has 16 divisors (see below), whose sum is σ = 15813084672. Its totient is φ = 6775371168.

The previous prime is 11011330997. The next prime is 11011331027. The reversal of 11011331019 is 91013311011.

It is not a de Polignac number, because 11011331019 - 2⁵ = 11011330987 is a prime.

It is a super-2 number, since 2×11011331019² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11011330986 and 11011331004.

It is not an unprimeable number, because it can be changed into a prime (11011330019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 497854 + ... + 519500.

It is an arithmetic number, because the mean of its divisors is an integer number (988317792).

Almost surely, 2^11011331019 is an apocalyptic number.

11011331019 is a deficient number, since it is larger than the sum of its proper divisors (4801753653).

11011331019 is a wasteful number, since it uses less digits than its factorization.

11011331019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34706.

The product of its (nonzero) digits is 81, while the sum is 21.

The spelling of 11011331019 in words is "eleven billion, eleven million, three hundred thirty-one thousand, nineteen".