11847451716 has 45 divisors (see below), whose sum is σ = 30976701679. Its totient is φ = 3948497496.

The previous prime is 11847451711. The next prime is 11847451723. The reversal of 11847451716 is 61715474811.

The square root of 11847451716 is 108846.

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

11847451716 is a `hidden beast` number, since 1 + 1 + 8 + 474 + 5 + 171 + 6 = 666.

It is a super-2 number, since 2×11847451716² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11847451711) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1956205 + ... + 1962251.

Almost surely, 2^11847451716 is an apocalyptic number.

11847451716 is the 108846-th square number.

It is an amenable number.

11847451716 is an abundant number, since it is smaller than the sum of its proper divisors (19129249963).

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

11847451716 is an frugal number, since it uses more digits than its factorization.

11847451716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12110 (or 6052 counting only the distinct ones).

The product of its digits is 188160, while the sum is 45.

It can be divided in two parts, 1184 and 7451716, that added together give a square (7452900 = 2730²).

The spelling of 11847451716 in words is "eleven billion, eight hundred forty-seven million, four hundred fifty-one thousand, seven hundred sixteen".