1115660469 has 24 divisors (see below), whose sum is σ = 1887725088. Its totient is φ = 579563040.

The previous prime is 1115660419. The next prime is 1115660477. The reversal of 1115660469 is 9640665111.

1115660469 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1115660469 - 2⁸ = 1115660213 is a prime.

It is a super-2 number, since 2×1115660469² = 2489396564178599922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115660419) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 343362 + ... + 346595.

It is an arithmetic number, because the mean of its divisors is an integer number (78655212).

Almost surely, 2^1115660469 is an apocalyptic number.

It is an amenable number.

1115660469 is a deficient number, since it is larger than the sum of its proper divisors (772064619).

1115660469 is a wasteful number, since it uses less digits than its factorization.

1115660469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689985 (or 689978 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 1115660469 is about 33401.5039930839. The cubic root of 1115660469 is about 1037.1558350194.

The spelling of 1115660469 in words is "one billion, one hundred fifteen million, six hundred sixty thousand, four hundred sixty-nine".