1115965042668 has 72 divisors (see below), whose sum is σ = 3224034343712. Its totient is φ = 318833770752.

The previous prime is 1115965042667. The next prime is 1115965042781. The reversal of 1115965042668 is 8662405695111.

It is a happy number.

1115965042668 is a `hidden beast` number, since 1 + 1 + 1 + 59 + 6 + 504 + 26 + 68 = 666.

It is not an unprimeable number, because it can be changed into a prime (1115965042667) 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, 6991446 + ... + 7149282.

Almost surely, 2^{1115965042668} is an apocalyptic number.

1115965042668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1115965042668 is an abundant number, since it is smaller than the sum of its proper divisors (2108069301044).

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

1115965042668 is a wasteful number, since it uses less digits than its factorization.

1115965042668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185911 (or 185906 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The spelling of 1115965042668 in words is "one trillion, one hundred fifteen billion, nine hundred sixty-five million, forty-two thousand, six hundred sixty-eight".