11678922520650 has 1344 divisors, whose sum is σ = 42155873280000. Its totient is φ = 2335086144000.

The previous prime is 11678922520649. The next prime is 11678922520663. The reversal of 11678922520650 is 5602522987611.

11678922520650 is a `hidden beast` number, since 1 + 1 + 67 + 8 + 9 + 2 + 2 + 520 + 6 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 671 ways as a sum of consecutive naturals, for example, 23404654101 + ... + 23404654599.

Almost surely, 2^{11678922520650} is an apocalyptic number.

11678922520650 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 11678922520650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21077936640000).

11678922520650 is an abundant number, since it is smaller than the sum of its proper divisors (30476950759350).

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

11678922520650 is a wasteful number, since it uses less digits than its factorization.

11678922520650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847 (or 827 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 54.

The spelling of 11678922520650 in words is "eleven trillion, six hundred seventy-eight billion, nine hundred twenty-two million, five hundred twenty thousand, six hundred fifty".