1115661022 has 8 divisors (see below), whose sum is σ = 1912561776. Its totient is φ = 478140432.

The previous prime is 1115660993. The next prime is 1115661047. The reversal of 1115661022 is 2201665111.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39845023 + ... + 39845050.

It is an arithmetic number, because the mean of its divisors is an integer number (239070222).

Almost surely, 2^1115661022 is an apocalyptic number.

1115661022 is a deficient number, since it is larger than the sum of its proper divisors (796900754).

1115661022 is an equidigital number, since it uses as much as digits as its factorization.

1115661022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79690082.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 1115661022 is about 33401.5122711532. The cubic root of 1115661022 is about 1037.1560063819.

The spelling of 1115661022 in words is "one billion, one hundred fifteen million, six hundred sixty-one thousand, twenty-two".