1131110001011 has 4 divisors (see below), whose sum is σ = 1136182243392. Its totient is φ = 1126037758632.

The previous prime is 1131110000981. The next prime is 1131110001019. The reversal of 1131110001011 is 1101000111311.

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

It is a cyclic number.

It is not a de Polignac number, because 1131110001011 - 2²² = 1131105806707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1131110000983 and 1131110001001.

It is not an unprimeable number, because it can be changed into a prime (1131110001019) 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, 2536120856 + ... + 2536121301.

It is an arithmetic number, because the mean of its divisors is an integer number (284045560848).

Almost surely, 2^{1131110001011} is an apocalyptic number.

1131110001011 is a deficient number, since it is larger than the sum of its proper divisors (5072242381).

1131110001011 is an equidigital number, since it uses as much as digits as its factorization.

1131110001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5072242380.

The product of its (nonzero) digits is 3, while the sum is 11.

Adding to 1131110001011 its reverse (1101000111311), we get a palindrome (2232110112322).

The spelling of 1131110001011 in words is "one trillion, one hundred thirty-one billion, one hundred ten million, one thousand, eleven".