11047663620 has 288 divisors, whose sum is σ = 40436148480. Its totient is φ = 2385054720.

The previous prime is 11047663607. The next prime is 11047663621. The reversal of 11047663620 is 2636674011.

It is a happy number.

11047663620 is a `hidden beast` number, since 1 + 10 + 4 + 7 + 6 + 636 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (11047663621) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12951114 + ... + 12951966.

Almost surely, 2^11047663620 is an apocalyptic number.

11047663620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11047663620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20218074240).

11047663620 is an abundant number, since it is smaller than the sum of its proper divisors (29388484860).

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

11047663620 is a wasteful number, since it uses less digits than its factorization.

11047663620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435 (or 1430 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 11047663620 in words is "eleven billion, forty-seven million, six hundred sixty-three thousand, six hundred twenty".