1115520002 has 4 divisors (see below), whose sum is σ = 1673280006. Its totient is φ = 557760000.

The previous prime is 1115519959. The next prime is 1115520071. The reversal of 1115520002 is 2000255111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 791915881 + 323604121 = 28141^2 + 17989^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278879999 + ... + 278880002.

Almost surely, 2^1115520002 is an apocalyptic number.

1115520002 is a deficient number, since it is larger than the sum of its proper divisors (557760004).

1115520002 is an equidigital number, since it uses as much as digits as its factorization.

1115520002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557760003.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 1115520002 is about 33399.4012221776. The cubic root of 1115520002 is about 1037.1123055624.

Adding to 1115520002 its reverse (2000255111), we get a palindrome (3115775113).

The spelling of 1115520002 in words is "one billion, one hundred fifteen million, five hundred twenty thousand, two".