11842534881 has 32 divisors (see below), whose sum is σ = 17760406400. Its totient is φ = 7798317120.

The previous prime is 11842534831. The next prime is 11842534931. The reversal of 11842534881 is 18843524811.

11842534881 is a `hidden beast` number, since 118 + 4 + 2 + 53 + 488 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (11842534831) and next prime (11842534931).

It is not a de Polignac number, because 11842534881 - 2⁹ = 11842534369 is a prime.

It is a super-3 number, since 3×11842534881³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11842534831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 968055 + ... + 980211.

It is an arithmetic number, because the mean of its divisors is an integer number (555012700).

Almost surely, 2^11842534881 is an apocalyptic number.

It is an amenable number.

11842534881 is a deficient number, since it is larger than the sum of its proper divisors (5917871519).

11842534881 is a wasteful number, since it uses less digits than its factorization.

11842534881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12606 (or 12600 counting only the distinct ones).

The product of its digits is 245760, while the sum is 45.

The spelling of 11842534881 in words is "eleven billion, eight hundred forty-two million, five hundred thirty-four thousand, eight hundred eighty-one".