1572116115 has 16 divisors (see below), whose sum is σ = 2532047616. Its totient is φ = 832908000.

The previous prime is 1572116093. The next prime is 1572116137. The reversal of 1572116115 is 5116112751.

It is an interprime number because it is at equal distance from previous prime (1572116093) and next prime (1572116137).

It is not a de Polignac number, because 1572116115 - 2²⁰ = 1571067539 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344781 + ... + 349310.

It is an arithmetic number, because the mean of its divisors is an integer number (158252976).

Almost surely, 2^1572116115 is an apocalyptic number.

1572116115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1572116115 is a deficient number, since it is larger than the sum of its proper divisors (959931501).

1572116115 is a wasteful number, since it uses less digits than its factorization.

1572116115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694250.

The product of its digits is 2100, while the sum is 30.

The square root of 1572116115 is about 39649.9194828943. The cubic root of 1572116115 is about 1162.7728243929.

Adding to 1572116115 its reverse (5116112751), we get a palindrome (6688228866).

The spelling of 1572116115 in words is "one billion, five hundred seventy-two million, one hundred sixteen thousand, one hundred fifteen".