1118355552 has 48 divisors (see below), whose sum is σ = 3261872880. Its totient is φ = 372784896.

The previous prime is 1118355541. The next prime is 1118355569. The reversal of 1118355552 is 2555538111.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646333 + ... + 648060.

It is an arithmetic number, because the mean of its divisors is an integer number (67955685).

Almost surely, 2^1118355552 is an apocalyptic number.

1118355552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1118355552 is an abundant number, since it is smaller than the sum of its proper divisors (2143517328).

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

1118355552 is a wasteful number, since it uses less digits than its factorization.

1118355552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294412 (or 1294398 counting only the distinct ones).

The product of its digits is 30000, while the sum is 36.

The square root of 1118355552 is about 33441.8233952636. The cubic root of 1118355552 is about 1037.9903103108.

The spelling of 1118355552 in words is "one billion, one hundred eighteen million, three hundred fifty-five thousand, five hundred fifty-two".