1118704961 has 4 divisors (see below), whose sum is σ = 1220405424. Its totient is φ = 1017004500.

The previous prime is 1118704927. The next prime is 1118705011. The reversal of 1118704961 is 1694078111.

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 a de Polignac number, because none of the positive numbers 2^k-1118704961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1118704901) 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, 50850215 + ... + 50850236.

It is an arithmetic number, because the mean of its divisors is an integer number (305101356).

Almost surely, 2^1118704961 is an apocalyptic number.

1118704961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1118704961 is a deficient number, since it is larger than the sum of its proper divisors (101700463).

1118704961 is a wasteful number, since it uses less digits than its factorization.

1118704961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101700462.

The product of its (nonzero) digits is 12096, while the sum is 38.

The square root of 1118704961 is about 33447.0471192899. The cubic root of 1118704961 is about 1038.0983991892.

The spelling of 1118704961 in words is "one billion, one hundred eighteen million, seven hundred four thousand, nine hundred sixty-one".