1187321362050 has 96 divisors (see below), whose sum is σ = 3029820811200. Its totient is φ = 307569184000.

The previous prime is 1187321362049. The next prime is 1187321362063. The reversal of 1187321362050 is 502631237811.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63601 + ... + 1542299.

It is an arithmetic number, because the mean of its divisors is an integer number (31560633450).

Almost surely, 2^{1187321362050} is an apocalyptic number.

1187321362050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1187321362050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1514910405600).

1187321362050 is an abundant number, since it is smaller than the sum of its proper divisors (1842499449150).

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

1187321362050 is a wasteful number, since it uses less digits than its factorization.

1187321362050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478868 (or 1478863 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

Adding to 1187321362050 its reverse (502631237811), we get a palindrome (1689952599861).

The spelling of 1187321362050 in words is "one trillion, one hundred eighty-seven billion, three hundred twenty-one million, three hundred sixty-two thousand, fifty".