1115667919080 has 768 divisors, whose sum is σ = 4495566873600. Its totient is φ = 243835038720.

The previous prime is 1115667919043. The next prime is 1115667919087. The reversal of 1115667919080 is 809197665111.

It is a happy number.

1115667919080 is a `hidden beast` number, since 1 + 1 + 1 + 566 + 79 + 1 + 9 + 0 + 8 + 0 = 666.

It is a Smith number, since the sum of its digits (54) 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 (54).

It is not an unprimeable number, because it can be changed into a prime (1115667919087) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 86325499 + ... + 86338421.

It is an arithmetic number, because the mean of its divisors is an integer number (5853602700).

Almost surely, 2^{1115667919080} is an apocalyptic number.

1115667919080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1115667919080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2247783436800).

1115667919080 is an abundant number, since it is smaller than the sum of its proper divisors (3379898954520).

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

1115667919080 is a wasteful number, since it uses less digits than its factorization.

1115667919080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13023 (or 13000 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 54.

The spelling of 1115667919080 in words is "one trillion, one hundred fifteen billion, six hundred sixty-seven million, nine hundred nineteen thousand, eighty".