11544042031 has 2 divisors, whose sum is σ = 11544042032. Its totient is φ = 11544042030.

The previous prime is 11544042023. The next prime is 11544042053. The reversal of 11544042031 is 13024044511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11544042031 - 2³ = 11544042023 is a prime.

It is a super-2 number, since 2×11544042031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11544041987 and 11544042005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11544042061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5772021015 + 5772021016.

It is an arithmetic number, because the mean of its divisors is an integer number (5772021016).

Almost surely, 2^11544042031 is an apocalyptic number.

11544042031 is a deficient number, since it is larger than the sum of its proper divisors (1).

11544042031 is an equidigital number, since it uses as much as digits as its factorization.

11544042031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 11544042031 its reverse (13024044511), we get a palindrome (24568086542).

The spelling of 11544042031 in words is "eleven billion, five hundred forty-four million, forty-two thousand, thirty-one".