1111061393431 has 8 divisors (see below), whose sum is σ = 1213109178624. Its totient is φ = 1009187308920.

The previous prime is 1111061393413. The next prime is 1111061393483. The reversal of 1111061393431 is 1343931601111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1111061393431 - 2⁹ = 1111061392919 is a prime.

It is a super-2 number, since 2×1111061393431² (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 (1111061393831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43411791 + ... + 43437376.

It is an arithmetic number, because the mean of its divisors is an integer number (151638647328).

Almost surely, 2^{1111061393431} is an apocalyptic number.

1111061393431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1111061393431 is a deficient number, since it is larger than the sum of its proper divisors (102047785193).

1111061393431 is a wasteful number, since it uses less digits than its factorization.

1111061393431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86850341.

The product of its (nonzero) digits is 5832, while the sum is 34.

Adding to 1111061393431 its reverse (1343931601111), we get a palindrome (2454992994542).

The spelling of 1111061393431 in words is "one trillion, one hundred eleven billion, sixty-one million, three hundred ninety-three thousand, four hundred thirty-one".