1111114545 has 16 divisors (see below), whose sum is σ = 1815609600. Its totient is φ = 579985664.

The previous prime is 1111114517. The next prime is 1111114549. The reversal of 1111114545 is 5454111111.

It is a cyclic number.

It is not a de Polignac number, because 1111114545 - 2⁵ = 1111114513 is a prime.

It is a super-2 number, since 2×1111114545² = 2469151064221114050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1111114549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 787320 + ... + 788729.

It is an arithmetic number, because the mean of its divisors is an integer number (113475600).

Almost surely, 2^1111114545 is an apocalyptic number.

1111114545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1111114545 is a deficient number, since it is larger than the sum of its proper divisors (704495055).

1111114545 is a wasteful number, since it uses less digits than its factorization.

1111114545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576104.

The product of its digits is 400, while the sum is 24.

The square root of 1111114545 is about 33333.3848416269. The cubic root of 1111114545 is about 1035.7452356393.

Adding to 1111114545 its reverse (5454111111), we get a palindrome (6565225656).

The spelling of 1111114545 in words is "one billion, one hundred eleven million, one hundred fourteen thousand, five hundred forty-five".