1182503955456 has 264 divisors, whose sum is σ = 3584967924720. Its totient is φ = 374890070016.

The previous prime is 1182503955403. The next prime is 1182503955463. The reversal of 1182503955456 is 6545593052811.

1182503955456 is a `hidden beast` number, since 1 + 1 + 8 + 2 + 5 + 0 + 3 + 95 + 545 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17873670 + ... + 17939706.

Almost surely, 2^{1182503955456} is an apocalyptic number.

1182503955456 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 1182503955456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1792483962360).

1182503955456 is an abundant number, since it is smaller than the sum of its proper divisors (2402463969264).

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

1182503955456 is a wasteful number, since it uses less digits than its factorization.

1182503955456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66159 (or 66138 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 54.

The spelling of 1182503955456 in words is "one trillion, one hundred eighty-two billion, five hundred three million, nine hundred fifty-five thousand, four hundred fifty-six".