1161367808918 has 16 divisors (see below), whose sum is σ = 1833913702320. Its totient is φ = 550069076736.

The previous prime is 1161367808869. The next prime is 1161367808981. The reversal of 1161367808918 is 8198087631611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1054055 + ... + 1853042.

It is an arithmetic number, because the mean of its divisors is an integer number (114619606395).

Almost surely, 2^{1161367808918} is an apocalyptic number.

1161367808918 is a deficient number, since it is larger than the sum of its proper divisors (672545893402).

1161367808918 is a wasteful number, since it uses less digits than its factorization.

1161367808918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2917631.

The product of its (nonzero) digits is 3483648, while the sum is 59.

The spelling of 1161367808918 in words is "one trillion, one hundred sixty-one billion, three hundred sixty-seven million, eight hundred eight thousand, nine hundred eighteen".