1147137997536 has 144 divisors (see below), whose sum is σ = 3294956901600. Its totient is φ = 378539136000.

The previous prime is 1147137997469. The next prime is 1147137997541. The reversal of 1147137997536 is 6357997317411.

1147137997536 is a `hidden beast` number, since 1 + 1 + 4 + 7 + 1 + 3 + 7 + 9 + 97 + 536 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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 23 ways as a sum of consecutive naturals, for example, 134937286 + ... + 134945786.

It is an arithmetic number, because the mean of its divisors is an integer number (22881645150).

Almost surely, 2^{1147137997536} is an apocalyptic number.

1147137997536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1147137997536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1647478450800).

1147137997536 is an abundant number, since it is smaller than the sum of its proper divisors (2147818904064).

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

1147137997536 is a wasteful number, since it uses less digits than its factorization.

1147137997536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13169 (or 13158 counting only the distinct ones).

The product of its digits is 30005640, while the sum is 63.

The spelling of 1147137997536 in words is "one trillion, one hundred forty-seven billion, one hundred thirty-seven million, nine hundred ninety-seven thousand, five hundred thirty-six".