1111534491 has 8 divisors (see below), whose sum is σ = 1496435200. Its totient is φ = 733828392.

The previous prime is 1111534483. The next prime is 1111534493. The reversal of 1111534491 is 1944351111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1111534491 - 2³ = 1111534483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111534493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1798291 + ... + 1798908.

It is an arithmetic number, because the mean of its divisors is an integer number (187054400).

Almost surely, 2^1111534491 is an apocalyptic number.

1111534491 is a deficient number, since it is larger than the sum of its proper divisors (384900709).

1111534491 is a wasteful number, since it uses less digits than its factorization.

1111534491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3597305.

The product of its digits is 2160, while the sum is 30.

The square root of 1111534491 is about 33339.6834268114. The cubic root of 1111534491 is about 1035.8757059209.

The spelling of 1111534491 in words is "one billion, one hundred eleven million, five hundred thirty-four thousand, four hundred ninety-one".