1145868188878 has 32 divisors (see below), whose sum is σ = 1968411303936. Its totient is φ = 490070785248.

The previous prime is 1145868188867. The next prime is 1145868188879. The reversal of 1145868188878 is 8788818685411.

It is a self number, because there is not a number n which added to its sum of digits gives 1145868188878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145868188879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16153075 + ... + 16223857.

It is an arithmetic number, because the mean of its divisors is an integer number (61512853248).

Almost surely, 2^{1145868188878} is an apocalyptic number.

1145868188878 is a deficient number, since it is larger than the sum of its proper divisors (822543115058).

1145868188878 is a wasteful number, since it uses less digits than its factorization.

1145868188878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73168.

The product of its digits is 220200960, while the sum is 73.

The spelling of 1145868188878 in words is "one trillion, one hundred forty-five billion, eight hundred sixty-eight million, one hundred eighty-eight thousand, eight hundred seventy-eight".