1115879376 has 20 divisors (see below), whose sum is σ = 2882688512. Its totient is φ = 371959776.

The previous prime is 1115879357. The next prime is 1115879393. The reversal of 1115879376 is 6739785111.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 23247487 = 1115879376 / (1 + 1 + 1 + 5 + 8 + 7 + 9 + 3 + 7 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11623696 + ... + 11623791.

Almost surely, 2^1115879376 is an apocalyptic number.

1115879376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1115879376 is an abundant number, since it is smaller than the sum of its proper divisors (1766809136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1115879376 is a wasteful number, since it uses less digits than its factorization.

1115879376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23247498 (or 23247492 counting only the distinct ones).

The product of its digits is 317520, while the sum is 48.

The square root of 1115879376 is about 33404.7807356971. The cubic root of 1115879376 is about 1037.2236650420.

The spelling of 1115879376 in words is "one billion, one hundred fifteen million, eight hundred seventy-nine thousand, three hundred seventy-six".