1111250545 has 16 divisors (see below), whose sum is σ = 1359000000. Its totient is φ = 872065728.

The previous prime is 1111250537. The next prime is 1111250617. The reversal of 1111250545 is 5450521111.

It is a cyclic number.

It is not a de Polignac number, because 1111250545 - 2³ = 1111250537 is a prime.

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, 143431 + ... + 150979.

It is an arithmetic number, because the mean of its divisors is an integer number (84937500).

Almost surely, 2^1111250545 is an apocalyptic number.

It is an amenable number.

1111250545 is a deficient number, since it is larger than the sum of its proper divisors (247749455).

1111250545 is an equidigital number, since it uses as much as digits as its factorization.

1111250545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8112.

The product of its (nonzero) digits is 1000, while the sum is 25.

The square root of 1111250545 is about 33335.4247760547. The cubic root of 1111250545 is about 1035.7874921903.

Adding to 1111250545 its reverse (5450521111), we get a palindrome (6561771656).

The spelling of 1111250545 in words is "one billion, one hundred eleven million, two hundred fifty thousand, five hundred forty-five".