1111131124065 has 32 divisors (see below), whose sum is σ = 1976475346560. Its totient is φ = 592263928512.

The previous prime is 1111131124049. The next prime is 1111131124073. The reversal of 1111131124065 is 5604211311111.

It is a happy number.

1111131124065 is a `hidden beast` number, since 1 + 111 + 131 + 12 + 406 + 5 = 666.

It is not a de Polignac number, because 1111131124065 - 2⁴ = 1111131124049 is a prime.

It is a super-2 number, since 2×1111131124065² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2119794 + ... + 2591483.

It is an arithmetic number, because the mean of its divisors is an integer number (61764854580).

Almost surely, 2^{1111131124065} is an apocalyptic number.

1111131124065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1111131124065 is a deficient number, since it is larger than the sum of its proper divisors (865344222495).

1111131124065 is a wasteful number, since it uses less digits than its factorization.

1111131124065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4713038 (or 4713032 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

Adding to 1111131124065 its reverse (5604211311111), we get a palindrome (6715342435176).

The spelling of 1111131124065 in words is "one trillion, one hundred eleven billion, one hundred thirty-one million, one hundred twenty-four thousand, sixty-five".