1111253244431 has 12 divisors (see below), whose sum is σ = 1223439936096. Its totient is φ = 1008592828320.

The previous prime is 1111253244349. The next prime is 1111253244461. The reversal of 1111253244431 is 1344423521111.

It is a de Polignac number, because none of the positive numbers 2^k-1111253244431 is a prime.

It is a super-2 number, since 2×1111253244431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111253244461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7367735 + ... + 7517048.

It is an arithmetic number, because the mean of its divisors is an integer number (101953328008).

Almost surely, 2^{1111253244431} is an apocalyptic number.

1111253244431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1111253244431 is a deficient number, since it is larger than the sum of its proper divisors (112186691665).

1111253244431 is a wasteful number, since it uses less digits than its factorization.

1111253244431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14885422 (or 14885411 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

Adding to 1111253244431 its reverse (1344423521111), we get a palindrome (2455676765542).

The spelling of 1111253244431 in words is "one trillion, one hundred eleven billion, two hundred fifty-three million, two hundred forty-four thousand, four hundred thirty-one".