1118046961 has 4 divisors (see below), whose sum is σ = 1154113024. Its totient is φ = 1081980900.

The previous prime is 1118046953. The next prime is 1118046967. The reversal of 1118046961 is 1696408111.

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 1118046961 - 2³ = 1118046953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1118046961.

It is not an unprimeable number, because it can be changed into a prime (1118046967) 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, 18032985 + ... + 18033046.

It is an arithmetic number, because the mean of its divisors is an integer number (288528256).

Almost surely, 2^1118046961 is an apocalyptic number.

It is an amenable number.

1118046961 is a deficient number, since it is larger than the sum of its proper divisors (36066063).

1118046961 is an equidigital number, since it uses as much as digits as its factorization.

1118046961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36066062.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 1118046961 is about 33437.2092286423. The cubic root of 1118046961 is about 1037.8948296641.

The spelling of 1118046961 in words is "one billion, one hundred eighteen million, forty-six thousand, nine hundred sixty-one".