1111356045 has 160 divisors (see below), whose sum is σ = 2248114176. Its totient is φ = 522547200.

The previous prime is 1111355989. The next prime is 1111356073. The reversal of 1111356045 is 5406531111.

1111356045 is a `hidden beast` number, since 11 + 11 + 35 + 604 + 5 = 666.

It is not a de Polignac number, because 1111356045 - 2⁶ = 1111355981 is a prime.

It is a super-2 number, since 2×1111356045² = 2470224517516084050, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 8750772 + ... + 8750898.

Almost surely, 2^1111356045 is an apocalyptic number.

1111356045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1111356045 is an abundant number, since it is smaller than the sum of its proper divisors (1136758131).

1111356045 is a wasteful number, since it uses less digits than its factorization.

1111356045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 1111356045 is about 33337.0071392139. The cubic root of 1111356045 is about 1035.8202697138.

Adding to 1111356045 its reverse (5406531111), we get a palindrome (6517887156).

The spelling of 1111356045 in words is "one billion, one hundred eleven million, three hundred fifty-six thousand, forty-five".