11071005720 has 64 divisors (see below), whose sum is σ = 33424621920. Its totient is φ = 2933458944.

The previous prime is 11071005677. The next prime is 11071005721. The reversal of 11071005720 is 2750017011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11071005721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274977 + ... + 312656.

Almost surely, 2^11071005720 is an apocalyptic number.

11071005720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11071005720 is an abundant number, since it is smaller than the sum of its proper divisors (22353616200).

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

11071005720 is a wasteful number, since it uses less digits than its factorization.

11071005720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587804 (or 587800 counting only the distinct ones).

The product of its (nonzero) digits is 490, while the sum is 24.

The spelling of 11071005720 in words is "eleven billion, seventy-one million, five thousand, seven hundred twenty".