11833864881481 has 4 divisors (see below), whose sum is σ = 11842020544464. Its totient is φ = 11825709218500.

The previous prime is 11833864881467. The next prime is 11833864881493. The reversal of 11833864881481 is 18418846833811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11833864881481 - 2¹⁹ = 11833864357193 is a prime.

It is a super-2 number, since 2×11833864881481² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11833864881431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4077829315 + ... + 4077832216.

It is an arithmetic number, because the mean of its divisors is an integer number (2960505136116).

Almost surely, 2^{11833864881481} is an apocalyptic number.

It is an amenable number.

11833864881481 is a deficient number, since it is larger than the sum of its proper divisors (8155662983).

11833864881481 is an equidigital number, since it uses as much as digits as its factorization.

11833864881481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8155662982.

The product of its digits is 28311552, while the sum is 64.

The spelling of 11833864881481 in words is "eleven trillion, eight hundred thirty-three billion, eight hundred sixty-four million, eight hundred eighty-one thousand, four hundred eighty-one".