1121463601650 has 336 divisors, whose sum is σ = 3583737144000. Its totient is φ = 255652951680.

The previous prime is 1121463601589. The next prime is 1121463601721. The reversal of 1121463601650 is 561063641211.

1121463601650 is a `hidden beast` number, since 1 + 1 + 2 + 1 + 4 + 636 + 0 + 16 + 5 + 0 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 99247701 + ... + 99258999.

Almost surely, 2^{1121463601650} is an apocalyptic number.

1121463601650 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 1121463601650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1791868572000).

1121463601650 is an abundant number, since it is smaller than the sum of its proper divisors (2462273542350).

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

1121463601650 is a wasteful number, since it uses less digits than its factorization.

1121463601650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11725 (or 11705 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 1121463601650 in words is "one trillion, one hundred twenty-one billion, four hundred sixty-three million, six hundred one thousand, six hundred fifty".