1111551434 has 16 divisors (see below), whose sum is σ = 1932356736. Its totient is φ = 469669200.

The previous prime is 1111551401. The next prime is 1111551449. The reversal of 1111551434 is 4341551111.

It is an unprimeable number.

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, 558137 + ... + 560124.

It is an arithmetic number, because the mean of its divisors is an integer number (120772296).

Almost surely, 2^1111551434 is an apocalyptic number.

1111551434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1111551434 is a deficient number, since it is larger than the sum of its proper divisors (820805302).

1111551434 is a wasteful number, since it uses less digits than its factorization.

1111551434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118341.

The product of its digits is 1200, while the sum is 26.

The square root of 1111551434 is about 33339.9375224370. The cubic root of 1111551434 is about 1035.8809691413.

The spelling of 1111551434 in words is "one billion, one hundred eleven million, five hundred fifty-one thousand, four hundred thirty-four".