11411442531 has 6 divisors (see below), whose sum is σ = 16483194780. Its totient is φ = 7607628348.

The previous prime is 11411442509. The next prime is 11411442557. The reversal of 11411442531 is 13524411411.

It is a happy number.

11411442531 is a `hidden beast` number, since 1 + 14 + 114 + 4 + 2 + 531 = 666.

It is not a de Polignac number, because 11411442531 - 2⁵ = 11411442499 is a prime.

It is a super-2 number, since 2×11411442531² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11411442495 and 11411442504.

It is not an unprimeable number, because it can be changed into a prime (11411442131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 633969021 + ... + 633969038.

It is an arithmetic number, because the mean of its divisors is an integer number (2747199130).

Almost surely, 2^11411442531 is an apocalyptic number.

11411442531 is a deficient number, since it is larger than the sum of its proper divisors (5071752249).

11411442531 is a wasteful number, since it uses less digits than its factorization.

11411442531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267938065 (or 1267938062 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

Adding to 11411442531 its reverse (13524411411), we get a palindrome (24935853942).

The spelling of 11411442531 in words is "eleven billion, four hundred eleven million, four hundred forty-two thousand, five hundred thirty-one".