1005553112 has 32 divisors (see below), whose sum is σ = 1986379200. Its totient is φ = 475898400.

The previous prime is 1005553103. The next prime is 1005553121. The reversal of 1005553112 is 2113555001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1005553103) and next prime (1005553121).

It is a super-2 number, since 2×1005553112² = 2022274122105769088, 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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236687 + ... + 240897.

It is an arithmetic number, because the mean of its divisors is an integer number (62074350).

Almost surely, 2^1005553112 is an apocalyptic number.

It is an amenable number.

1005553112 is a deficient number, since it is larger than the sum of its proper divisors (980826088).

1005553112 is a wasteful number, since it uses less digits than its factorization.

1005553112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5807 (or 5803 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 1005553112 is about 31710.4574549154. The cubic root of 1005553112 is about 1001.8476215256.

The spelling of 1005553112 in words is "one billion, five million, five hundred fifty-three thousand, one hundred twelve".