11884665481 has 16 divisors (see below), whose sum is σ = 13080582144. Its totient is φ = 10729329984.

The previous prime is 11884665451. The next prime is 11884665487. The reversal of 11884665481 is 18456648811.

It is a cyclic number.

It is not a de Polignac number, because 11884665481 - 2²³ = 11876276873 is a prime.

It is a super-2 number, since 2×11884665481² (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 (11884665487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 951231 + ... + 963643.

It is an arithmetic number, because the mean of its divisors is an integer number (817536384).

Almost surely, 2^11884665481 is an apocalyptic number.

It is an amenable number.

11884665481 is a deficient number, since it is larger than the sum of its proper divisors (1195916663).

11884665481 is a wasteful number, since it uses less digits than its factorization.

11884665481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14040.

The product of its digits is 1474560, while the sum is 52.

The spelling of 11884665481 in words is "eleven billion, eight hundred eighty-four million, six hundred sixty-five thousand, four hundred eighty-one".