1116478769 has 12 divisors (see below), whose sum is σ = 1306738224. Its totient is φ = 951103944.

The previous prime is 1116478751. The next prime is 1116478787. The reversal of 1116478769 is 9678746111.

It is an interprime number because it is at equal distance from previous prime (1116478751) and next prime (1116478787).

It is not a de Polignac number, because 1116478769 - 2¹² = 1116474673 is a prime.

It is a super-2 number, since 2×1116478769² = 2493049683255510722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1116478709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61907 + ... + 77880.

It is an arithmetic number, because the mean of its divisors is an integer number (108894852).

Almost surely, 2^1116478769 is an apocalyptic number.

It is an amenable number.

1116478769 is a deficient number, since it is larger than the sum of its proper divisors (190259455).

1116478769 is a wasteful number, since it uses less digits than its factorization.

1116478769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139964 (or 139957 counting only the distinct ones).

The product of its digits is 508032, while the sum is 50.

The square root of 1116478769 is about 33413.7511961767. The cubic root of 1116478769 is about 1037.4093461993.

The spelling of 1116478769 in words is "one billion, one hundred sixteen million, four hundred seventy-eight thousand, seven hundred sixty-nine".