1081544514 has 16 divisors (see below), whose sum is σ = 2213393952. Its totient is φ = 352130688.

The previous prime is 1081544507. The next prime is 1081544591. The reversal of 1081544514 is 4154451801.

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, 2095759 + ... + 2096274.

It is an arithmetic number, because the mean of its divisors is an integer number (138337122).

Almost surely, 2^1081544514 is an apocalyptic number.

1081544514 is an abundant number, since it is smaller than the sum of its proper divisors (1131849438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1081544514 is a wasteful number, since it uses less digits than its factorization.

1081544514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4192081.

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 1081544514 is about 32886.8440869598. The cubic root of 1081544514 is about 1026.4744242616.

The spelling of 1081544514 in words is "one billion, eighty-one million, five hundred forty-four thousand, five hundred fourteen".