1111320231355 has 16 divisors (see below), whose sum is σ = 1417938514560. Its totient is φ = 833257664512.

The previous prime is 1111320231341. The next prime is 1111320231431. The reversal of 1111320231355 is 5531320231111.

It is not a de Polignac number, because 1111320231355 - 2⁹ = 1111320230843 is a prime.

It is a super-3 number, since 3×1111320231355³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27331894 + ... + 27372523.

It is an arithmetic number, because the mean of its divisors is an integer number (88621157160).

Almost surely, 2^{1111320231355} is an apocalyptic number.

1111320231355 is a deficient number, since it is larger than the sum of its proper divisors (306618283205).

1111320231355 is a wasteful number, since it uses less digits than its factorization.

1111320231355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54704678.

The product of its (nonzero) digits is 2700, while the sum is 28.

Adding to 1111320231355 its reverse (5531320231111), we get a palindrome (6642640462466).

The spelling of 1111320231355 in words is "one trillion, one hundred eleven billion, three hundred twenty million, two hundred thirty-one thousand, three hundred fifty-five".