1111552245 has 24 divisors (see below), whose sum is σ = 1934386272. Its totient is φ = 590460000.

The previous prime is 1111552241. The next prime is 1111552333. The reversal of 1111552245 is 5422551111.

It is a happy number.

It is not a de Polignac number, because 1111552245 - 2² = 1111552241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111552241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37911 + ... + 60500.

It is an arithmetic number, because the mean of its divisors is an integer number (80599428).

Almost surely, 2^1111552245 is an apocalyptic number.

1111552245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1111552245 is a deficient number, since it is larger than the sum of its proper divisors (822834027).

1111552245 is a wasteful number, since it uses less digits than its factorization.

1111552245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98673 (or 98670 counting only the distinct ones).

The product of its digits is 2000, while the sum is 27.

The square root of 1111552245 is about 33339.9496850250. The cubic root of 1111552245 is about 1035.8812210712.

The spelling of 1111552245 in words is "one billion, one hundred eleven million, five hundred fifty-two thousand, two hundred forty-five".