11712001284 has 81 divisors (see below), whose sum is σ = 31478936671. Its totient is φ = 3670890240.

The previous prime is 11712001241. The next prime is 11712001313. The reversal of 11712001284 is 48210021711.

The square root of 11712001284 is 108222.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2278152900 + 9433848384 = 47730^2 + 97128^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11038114 + ... + 11039174.

Almost surely, 2^11712001284 is an apocalyptic number.

11712001284 is the 108222-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11712001284

11712001284 is an abundant number, since it is smaller than the sum of its proper divisors (19766935387).

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

11712001284 is a wasteful number, since it uses less digits than its factorization.

11712001284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166 (or 1083 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

Adding to 11712001284 its reverse (48210021711), we get a palindrome (59922022995).

The spelling of 11712001284 in words is "eleven billion, seven hundred twelve million, one thousand, two hundred eighty-four".