1186620402048 has 128 divisors (see below), whose sum is σ = 3179089520640. Its totient is φ = 392141568000.

The previous prime is 1186620402031. The next prime is 1186620402053. The reversal of 1186620402048 is 8402040266811.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54669598 + ... + 54691298.

It is an arithmetic number, because the mean of its divisors is an integer number (24836636880).

Almost surely, 2^{1186620402048} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1186620402048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1589544760320).

1186620402048 is an abundant number, since it is smaller than the sum of its proper divisors (1992469118592).

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

1186620402048 is a wasteful number, since it uses less digits than its factorization.

1186620402048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22936 (or 22924 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

Adding to 1186620402048 its reverse (8402040266811), we get a palindrome (9588660668859).

The spelling of 1186620402048 in words is "one trillion, one hundred eighty-six billion, six hundred twenty million, four hundred two thousand, forty-eight".