1131110001123 has 16 divisors (see below), whose sum is σ = 1666289926656. Its totient is φ = 678858857600.

The previous prime is 1131110001103. The next prime is 1131110001149. The reversal of 1131110001123 is 3211000111311.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131110001123 is a prime.

It is a super-2 number, since 2×1131110001123² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1131110001103) 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, 482142903 + ... + 482145248.

It is an arithmetic number, because the mean of its divisors is an integer number (104143120416).

Almost surely, 2^{1131110001123} is an apocalyptic number.

1131110001123 is a deficient number, since it is larger than the sum of its proper divisors (535179925533).

1131110001123 is a wasteful number, since it uses less digits than its factorization.

1131110001123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964288194.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 1131110001123 its reverse (3211000111311), we get a palindrome (4342110112434).

The spelling of 1131110001123 in words is "one trillion, one hundred thirty-one billion, one hundred ten million, one thousand, one hundred twenty-three".