1511116345 has 16 divisors (see below), whose sum is σ = 1842347520. Its totient is φ = 1189656000.

The previous prime is 1511116333. The next prime is 1511116357. The reversal of 1511116345 is 5436111151.

It is an interprime number because it is at equal distance from previous prime (1511116333) and next prime (1511116357).

It is not a de Polignac number, because 1511116345 - 2²⁷ = 1376898617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116695 + ... + 128995.

It is an arithmetic number, because the mean of its divisors is an integer number (115146720).

Almost surely, 2^1511116345 is an apocalyptic number.

It is an amenable number.

1511116345 is a deficient number, since it is larger than the sum of its proper divisors (331231175).

1511116345 is a wasteful number, since it uses less digits than its factorization.

1511116345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12696.

The product of its digits is 1800, while the sum is 28.

The square root of 1511116345 is about 38873.0799525842. The cubic root of 1511116345 is about 1147.5350720164.

Adding to 1511116345 its reverse (5436111151), we get a palindrome (6947227496).

The spelling of 1511116345 in words is "one billion, five hundred eleven million, one hundred sixteen thousand, three hundred forty-five".