1118051141 has 4 divisors (see below), whose sum is σ = 1118306784. Its totient is φ = 1117795500.

The previous prime is 1118051131. The next prime is 1118051147. The reversal of 1118051141 is 1411508111.

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 1118051141 - 2²² = 1113856837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118051147) 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, 121145 + ... + 130046.

It is an arithmetic number, because the mean of its divisors is an integer number (279576696).

Almost surely, 2^1118051141 is an apocalyptic number.

It is an amenable number.

1118051141 is a deficient number, since it is larger than the sum of its proper divisors (255643).

1118051141 is an equidigital number, since it uses as much as digits as its factorization.

1118051141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255642.

The product of its (nonzero) digits is 160, while the sum is 23.

The square root of 1118051141 is about 33437.2717338003. The cubic root of 1118051141 is about 1037.8961231086.

Adding to 1118051141 its reverse (1411508111), we get a palindrome (2529559252).

The spelling of 1118051141 in words is "one billion, one hundred eighteen million, fifty-one thousand, one hundred forty-one".