1188063503328 has 48 divisors (see below), whose sum is σ = 3358564137936. Its totient is φ = 365558000640.

The previous prime is 1188063503299. The next prime is 1188063503359. The reversal of 1188063503328 is 8233053608811.

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

It is a super-2 number, since 2×1188063503328² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 475985733 + ... + 475988228.

It is an arithmetic number, because the mean of its divisors is an integer number (69970086207).

Almost surely, 2^{1188063503328} is an apocalyptic number.

It is an amenable number.

1188063503328 is an abundant number, since it is smaller than the sum of its proper divisors (2170500634608).

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

1188063503328 is a wasteful number, since it uses less digits than its factorization.

1188063503328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951973987 (or 951973979 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 1188063503328 in words is "one trillion, one hundred eighty-eight billion, sixty-three million, five hundred three thousand, three hundred twenty-eight".