1081513344 has 64 divisors (see below), whose sum is σ = 3041774640. Its totient is φ = 339296256.

The previous prime is 1081513333. The next prime is 1081513357. The reversal of 1081513344 is 4433151801.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1081513344² = 2339342226500124672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76309 + ... + 89364.

Almost surely, 2^1081513344 is an apocalyptic number.

It is an amenable number.

1081513344 is an abundant number, since it is smaller than the sum of its proper divisors (1960261296).

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

1081513344 is a wasteful number, since it uses less digits than its factorization.

1081513344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165707 (or 165695 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1081513344 is about 32886.3701858384. The cubic root of 1081513344 is about 1026.4645632049.

The spelling of 1081513344 in words is "one billion, eighty-one million, five hundred thirteen thousand, three hundred forty-four".