1161815196908 has 24 divisors (see below), whose sum is σ = 2040869108544. Its totient is φ = 578710137600.

The previous prime is 1161815196901. The next prime is 1161815196911. The reversal of 1161815196908 is 8096915181611.

It is a happy number.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1161815196901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13225466 + ... + 13313022.

It is an arithmetic number, because the mean of its divisors is an integer number (85036212856).

Almost surely, 2^{1161815196908} is an apocalyptic number.

It is an amenable number.

1161815196908 is a deficient number, since it is larger than the sum of its proper divisors (879053911636).

1161815196908 is a wasteful number, since it uses less digits than its factorization.

1161815196908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100073 (or 100071 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 56.

The spelling of 1161815196908 in words is "one trillion, one hundred sixty-one billion, eight hundred fifteen million, one hundred ninety-six thousand, nine hundred eight".