11872287466 has 8 divisors (see below), whose sum is σ = 19178310564. Its totient is φ = 5479517280.

The previous prime is 11872287451. The next prime is 11872287523. The reversal of 11872287466 is 66478227811.

It can be written as a sum of positive squares in 2 ways, for example, as 11498058441 + 374229025 = 107229^2 + 19345^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228313195 + ... + 228313246.

Almost surely, 2^11872287466 is an apocalyptic number.

11872287466 is a deficient number, since it is larger than the sum of its proper divisors (7306023098).

11872287466 is a wasteful number, since it uses less digits than its factorization.

11872287466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456626456.

The product of its digits is 1806336, while the sum is 52.

The spelling of 11872287466 in words is "eleven billion, eight hundred seventy-two million, two hundred eighty-seven thousand, four hundred sixty-six".