1115052071 has 4 divisors (see below), whose sum is σ = 1274345232. Its totient is φ = 955758912.

The previous prime is 1115052053. The next prime is 1115052109. The reversal of 1115052071 is 1702505111.

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

It is a cyclic number.

It is not a de Polignac number, because 1115052071 - 2²² = 1110857767 is a prime.

It is a super-2 number, since 2×1115052071² = 2486682242082778082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115052041) 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, 79646570 + ... + 79646583.

It is an arithmetic number, because the mean of its divisors is an integer number (318586308).

Almost surely, 2^1115052071 is an apocalyptic number.

1115052071 is a deficient number, since it is larger than the sum of its proper divisors (159293161).

1115052071 is an equidigital number, since it uses as much as digits as its factorization.

1115052071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159293160.

The product of its (nonzero) digits is 350, while the sum is 23.

The square root of 1115052071 is about 33392.3954067389. The cubic root of 1115052071 is about 1036.9672715963.

Adding to 1115052071 its reverse (1702505111), we get a palindrome (2817557182).

The spelling of 1115052071 in words is "one billion, one hundred fifteen million, fifty-two thousand, seventy-one".