1111429669 has 32 divisors (see below), whose sum is σ = 1356134400. Its totient is φ = 890796480.

The previous prime is 1111429661. The next prime is 1111429777. The reversal of 1111429669 is 9669241111.

It is not a de Polignac number, because 1111429669 - 2³ = 1111429661 is a prime.

It is a super-2 number, since 2×1111429669² = 2470551818266899122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111429661) 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 31 ways as a sum of consecutive naturals, for example, 849714 + ... + 851020.

It is an arithmetic number, because the mean of its divisors is an integer number (42379200).

Almost surely, 2^1111429669 is an apocalyptic number.

It is an amenable number.

1111429669 is a deficient number, since it is larger than the sum of its proper divisors (244704731).

1111429669 is a wasteful number, since it uses less digits than its factorization.

1111429669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473.

The product of its digits is 23328, while the sum is 40.

The square root of 1111429669 is about 33338.1113592237. Note that the first 3 decimals coincide. The cubic root of 1111429669 is about 1035.8431425360.

The spelling of 1111429669 in words is "one billion, one hundred eleven million, four hundred twenty-nine thousand, six hundred sixty-nine".