1147213618000 has 80 divisors (see below), whose sum is σ = 2937136881744. Its totient is φ = 431892172800.

The previous prime is 1147213617989. The next prime is 1147213618013. The reversal of 1147213618000 is 8163127411.

It can be written as a sum of positive squares in 8 ways, for example, as 324767773456 + 822445844544 = 569884^2 + 906888^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16836789 + ... + 16904788.

Almost surely, 2^{1147213618000} is an apocalyptic number.

1147213618000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1147213618000 is an abundant number, since it is smaller than the sum of its proper divisors (1789923263744).

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

1147213618000 is a wasteful number, since it uses less digits than its factorization.

1147213618000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33741617 (or 33741601 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The spelling of 1147213618000 in words is "one trillion, one hundred forty-seven billion, two hundred thirteen million, six hundred eighteen thousand".