1111243053 has 8 divisors (see below), whose sum is σ = 1498305600. Its totient is φ = 732504608.

The previous prime is 1111242971. The next prime is 1111243057. The reversal of 1111243053 is 3503421111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1111243053 - 2¹² = 1111238957 is a prime.

It is a super-2 number, since 2×1111243053² = 2469722245681521618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111243057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2080713 + ... + 2081246.

It is an arithmetic number, because the mean of its divisors is an integer number (187288200).

Almost surely, 2^1111243053 is an apocalyptic number.

It is an amenable number.

1111243053 is a deficient number, since it is larger than the sum of its proper divisors (387062547).

1111243053 is an equidigital number, since it uses as much as digits as its factorization.

1111243053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4162051.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1111243053 is about 33335.3124029159. The cubic root of 1111243053 is about 1035.7851644412.

Adding to 1111243053 its reverse (3503421111), we get a palindrome (4614664164).

The spelling of 1111243053 in words is "one billion, one hundred eleven million, two hundred forty-three thousand, fifty-three".