1149415312446 has 288 divisors, whose sum is σ = 2934865231200. Its totient is φ = 332959334400.

The previous prime is 1149415312427. The next prime is 1149415312483. The reversal of 1149415312446 is 6442135149411.

1149415312446 is a `hidden beast` number, since 1 + 1 + 4 + 94 + 1 + 531 + 24 + 4 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 239409246 + ... + 239414046.

It is an arithmetic number, because the mean of its divisors is an integer number (10190504275).

Almost surely, 2^{1149415312446} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1149415312446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1467432615600).

1149415312446 is an abundant number, since it is smaller than the sum of its proper divisors (1785449918754).

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

1149415312446 is a wasteful number, since it uses less digits than its factorization.

1149415312446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4921 (or 4875 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The spelling of 1149415312446 in words is "one trillion, one hundred forty-nine billion, four hundred fifteen million, three hundred twelve thousand, four hundred forty-six".