11881440053 has 16 divisors (see below), whose sum is σ = 13616152320. Its totient is φ = 10156116096.

The previous prime is 11881439987. The next prime is 11881440079. The reversal of 11881440053 is 35004418811.

It is not a de Polignac number, because 11881440053 - 2¹⁶ = 11881374517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11881439995 and 11881440022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11881440353) 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, 5558801 + ... + 5560937.

It is an arithmetic number, because the mean of its divisors is an integer number (851009520).

Almost surely, 2^11881440053 is an apocalyptic number.

It is an amenable number.

11881440053 is a deficient number, since it is larger than the sum of its proper divisors (1734712267).

11881440053 is a wasteful number, since it uses less digits than its factorization.

11881440053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3956.

The product of its (nonzero) digits is 15360, while the sum is 35.

Adding to 11881440053 its reverse (35004418811), we get a palindrome (46885858864).

The spelling of 11881440053 in words is "eleven billion, eight hundred eighty-one million, four hundred forty thousand, fifty-three".