11021714550 has 864 divisors, whose sum is σ = 41625148320. Its totient is φ = 2155507200.

The previous prime is 11021714513. The next prime is 11021714573. The reversal of 11021714550 is 5541712011.

11021714550 is a `hidden beast` number, since 1 + 102 + 1 + 7 + 1 + 4 + 550 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 648336142 + ... + 648336158.

It is an arithmetic number, because the mean of its divisors is an integer number (48177255).

Almost surely, 2^11021714550 is an apocalyptic number.

11021714550 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 11021714550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20812574160).

11021714550 is an abundant number, since it is smaller than the sum of its proper divisors (30603433770).

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

11021714550 is a wasteful number, since it uses less digits than its factorization.

11021714550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 27.

The spelling of 11021714550 in words is "eleven billion, twenty-one million, seven hundred fourteen thousand, five hundred fifty".