1118869053 has 4 divisors (see below), whose sum is σ = 1491825408. Its totient is φ = 745912700.

The previous prime is 1118869051. The next prime is 1118869091. The reversal of 1118869053 is 3509688111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1118869053 - 2¹ = 1118869051 is a prime.

It is a super-2 number, since 2×1118869053² = 2503735915522233618, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1118868996 and 1118869014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118869051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186478173 + ... + 186478178.

It is an arithmetic number, because the mean of its divisors is an integer number (372956352).

Almost surely, 2^1118869053 is an apocalyptic number.

It is an amenable number.

1118869053 is a deficient number, since it is larger than the sum of its proper divisors (372956355).

1118869053 is an equidigital number, since it uses as much as digits as its factorization.

1118869053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372956354.

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 1118869053 is about 33449.5000411067. The cubic root of 1118869053 is about 1038.1491529090.

The spelling of 1118869053 in words is "one billion, one hundred eighteen million, eight hundred sixty-nine thousand, fifty-three".