1111320225542 has 8 divisors (see below), whose sum is σ = 1667071341000. Its totient is φ = 555629778544.

The previous prime is 1111320225517. The next prime is 1111320225577. The reversal of 1111320225542 is 2455220231111.

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

It is a super-3 number, since 3×1111320225542³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15121292 + ... + 15194607.

It is an arithmetic number, because the mean of its divisors is an integer number (208383917625).

Almost surely, 2^{1111320225542} is an apocalyptic number.

1111320225542 is a deficient number, since it is larger than the sum of its proper divisors (555751115458).

1111320225542 is a wasteful number, since it uses less digits than its factorization.

1111320225542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30334230.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 1111320225542 its reverse (2455220231111), we get a palindrome (3566540456653).

The spelling of 1111320225542 in words is "one trillion, one hundred eleven billion, three hundred twenty million, two hundred twenty-five thousand, five hundred forty-two".