1131023130111 has 96 divisors (see below), whose sum is σ = 1906749351936. Its totient is φ = 632711520000.

The previous prime is 1131023130109. The next prime is 1131023130119. The reversal of 1131023130111 is 1110313201311.

1131023130111 is a `hidden beast` number, since 1 + 131 + 0 + 231 + 301 + 1 + 1 = 666.

It is not a de Polignac number, because 1131023130111 - 2¹ = 1131023130109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131023130119) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 617706966 + ... + 617708796.

It is an arithmetic number, because the mean of its divisors is an integer number (19861972416).

Almost surely, 2^{1131023130111} is an apocalyptic number.

1131023130111 is a deficient number, since it is larger than the sum of its proper divisors (775726221825).

1131023130111 is a wasteful number, since it uses less digits than its factorization.

1131023130111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813 (or 2810 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 1131023130111 its reverse (1110313201311), we get a palindrome (2241336331422).

The spelling of 1131023130111 in words is "one trillion, one hundred thirty-one billion, twenty-three million, one hundred thirty thousand, one hundred eleven".