10885378950 has 72 divisors (see below), whose sum is σ = 29353630176. Its totient is φ = 2892024000.

The previous prime is 10885378937. The next prime is 10885378957. The reversal of 10885378950 is 5987358801.

10885378950 is a `hidden beast` number, since 10 + 8 + 8 + 537 + 8 + 95 + 0 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10885378957) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 77320 + ... + 166580.

It is an arithmetic number, because the mean of its divisors is an integer number (407689308).

Almost surely, 2^10885378950 is an apocalyptic number.

10885378950 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 10885378950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14676815088).

10885378950 is an abundant number, since it is smaller than the sum of its proper divisors (18468251226).

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

10885378950 is a wasteful number, since it uses less digits than its factorization.

10885378950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89550 (or 89542 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 54.

The spelling of 10885378950 in words is "ten billion, eight hundred eighty-five million, three hundred seventy-eight thousand, nine hundred fifty".